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20 Best Chevy 305 Throttle Body of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Chevy 305 Throttle Body of 2023. Check our ranking below.

2,178 Reviews Scanned

Rank No. #1

GM Genuine Parts 12679524 Fuel Injection Throttle Body with Throttle Actuator

Leading Manufacturer Of High-Quality Products
International Renown For Our Diverse Range Of Award-Winning Products
Fully Equipped With State-Of-The-Art Technology. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and help restore proper fuel system functionality needed to keep your vehicle performing reliably, efficiently, and safely for many miles to come
Constantly Modernizing Our Powerful Devices To Meet The Demands Of The Modern User

Rank No. #2

CNRAQR 92mm Throttle Body Assembly with TPS IAC Throttle Position Sensor Fit for Chevy LS1 LS2 LS3 LS6 LS7 LSX

【Fit For】It fits LS Style 4 bolt intake manifold (eg LS2, LS3, LS7, LSX) with cable drive with 92mm Throttle Opening.
【Unique Cable Adapter Design】The Throttle Body with TPS IAC Throttle Position Sensor and 4 Bolts,offer many ways of connecting throttle cable.
【High Quality Materials】92mm throttle body is made of CNC-machined T6 aluminum alloy,Durable and corrosion-resistant.
【Easy To Install】The position of the screw hole matches the position on the intake manifold, making installation very convenient.
【Quality Service】Provide 3 Months limited warranty and lifetime free technical support.When You Encounter Any Questions About The Product, You Can Contact Me As Soon As Possible, And I Will Answer It For You.

Rank No. #3

IRONTREE S20064 Professional Electronic Throttle Body Compatible with Chevy Trailblazer Colorado Impala, GMC Envoy Canyon, Buick Rainier, Hummer H3, Pontiac Grand Prix, 3.5L 3.7L 4.2L 5.3L L5 L6 V8

Rank No. #4

12679525 Throttle Body Assembly V8 Engines Compatible with Chevy Avalanche Express Silverado Suburban Tahoe Trailblazer Cadillac Escalade Hummer H2 GMC Envoy Savana Sierra Yukon 12570800 217-2293

The throttle body is the device in your vehicle that opens and closes to regulate the amount of air entering the engine. When it gets dirty, clogged, or damaged, your Chevy Bu ick Rainier Escalade ESV will likely experience issues because the engine's air/fuel mixture will get thrown off.
Replacement Part Number: 12570800, 12679525, 217-2293, 977-307, Please confirm the part number and vehicle models before order.
Compatible with Chevy Buick Cadillac--2003-06 Chevy Avalanche 1500 | 2007 Express 2500/3500 Van V8 6.0L | 2003-06 Silverado 1500 V8 4.8L 5.3L 6.0L | 2003-06 Suburban 2500 V8 6.0L | 2003-04 Trailblazer EXT V8 5.3L
Compatible with 2004 Buick Rainier V8 5.3L | 2003-06 Cadillac Escalade ESV/EXT | 2003-07 Hummer H2 | 2003-04 Isuzu Ascender V8 5.3L | & more. See below for the full vehicle list.
Our photos show the actual product you receive. Please double confirm the compatibility as well as the OEM number before purchasing. If your throttle body fails, just contact us, and we will provide you with satisfactory service.

Rank No. #5

A-Premium Electronic Throttle Body Compatible with Chevy, GMC, Buick, Hummer & Pontiac Vehicles - Trailblazer, Colorado, Impala, Canyon, Envoy, Rainier, H3-2002-2007-3.5L 3.7L 4.2L 5.3L L5 L6 V8

[Vehicle Fitment-1]: Compatible with Buick Rainier 2004-2007 4.2L; Compatible with Chevrolet Colorado 2004-2006 3.5L, Colorado 2007 3.7L, Impala 2006-2007 5.3L, Monte Carlo 2006-2007 5.3L, Trailblazer 2002-2007 4.2L, Trailblazer EXT 2003-2006 4.2L
[Vehicle Fitment-2]: Compatible with GMC Canyon 2004-2006 3.5L, Canyon 2007 3.7L; Envoy 2002-2007 4.2L, Envoy XL 2003-2006 4.2L, Envoy XUV 2004-2005 4.2L
[Vehicle Fitment-3]: Compatible with Hummer H3 2006 3.5L, H3 2007 3.7L; Isuzu Ascender 2003-2007 4.2L, i-350 2006 3.5L, i-350 2007 3.7L; Oldsmobile Bravada 2002-2004 4.2L; Pontiac Grand Prix 2005-2007 5.3L; Saab 9-7x 2005-2007 4.2L
[Reference Number]: 12568580, 25312095, 8-12568-580-0, 977-017, 67-3006, 6E-3006, S20064, S20007, TB1022, ETB0075
[Customer Support]: A-Premium Electronic Throttle Body Provides a 1-Year Unlimited-Mileage Warranty; Being Brand-New and Sturdy, This Electronic Throttle Body Is the Ideal Choice with Direct Replacement. Package Quantity: 1x Electronic Throttle Body, Packaging Type: Box

SaleRank No. #6

Standard Motor Products 1704 TBI Kit

Standard TBI Tune-Up Kit (1704)
Part number: 1704
Fit type: Vehicle Specific
Package Weight: 0.272 kilograms

Rank No. #7

IRONTREE S20019 Professional Electronic Throttle Body Compatible with Chevy Silverado Tahoe Trailblazer Suburban Colorado Express, GMC Sierra Envoy Savana Yukon, Cadillac Escalade, Hummer H2 H3, Saab

【Premium Quality】Built to stringent OE specifications and strict quality control standards by the professional OEM manufacturer, 100% computerized testing for reliable and consistent performance
【Better Performance】Upgrade critical component parts, including the housing, throttle plate, position sensors and throttle actuator motor, meet or exceed O.E., ensuring accurate air flow in all driving conditions and peak engine performance
【Perfect Fit】Direct replacement for a proper fit, Actuator, Idle Air Control and Throttle Position Sensor are pre-assembled in each unit, plugs into the original equipment wiring harness with no adapter required
【Amazing Price】Factory Direct Fuel Injection Throttle Body. Our mission is to supply the best throttle body at the best prices. Don't be surprised by the lowest price！
【Great Warranty】3-Year Warranty（please carefully check and confirm the detail fitment）

Rank No. #8

Autoround S20064 Electronic Throttle Body Fit for Chevy Impala/Colorado/Trailblazer/Monte Carlo, GMC Canyon/Envoy, Pontiac Grand Prix, Hummer H3, Buick Rainier, OE# 12568580

COMPATIBILITY - This Throttle Body Assembly Replacement for CHEVROLET 2004-2007 Colorado 3.7L 3.5L | 2006-2007 Impala/ Monte Carlo 5.3L | 2003-2007 Trailblazer 4.2L | 2003-2006 Trailblazer EXT 4.2L, GMC 2004-2007 Canyon 3.7L 3.5L | 2003-2007 Envoy 4.2L | 2003-2006 Envoy XL 4.2L | 2004-2005 Envoy XUV 4.2L, PONTIAC 2005-2007 Grand Prix, BUICK 2004-2007 Rainier 4.2L, HUMMER 2006-2007 H3, ISUZU 2003-2007 Ascender 4.2L | 2006 i-350 3.5L | 2007 i-370 3.7L, OLDSMOBILE 2003-2004 Bravada 4.2L, SAAB 2005-2007 9-7x 4.2L
REPLACE PART - #217-2296, 337-05399, 67-3006, S20064, 12568580A, 12568580, TB1022, 25312095
QUALITY & UPGRADE - Autoround's throttle body manufactured to OE specifications and ISO quality standards under the guidance of a professional OEM manufacturer, has an upgraded housing and electronic sensors that are more heat-resistant and corrosion-resistant than the original throttle valve. And improves the shortcomings of the original throttle valve sensor that is easy to wear and fail. All products are factory-tested for Reliability, Durability, and Performance
AMAZING PRICE - Autoround products are manufactured and packaged in Autoround's own factory under OEM factory guidance to ensure Autoround's perfect quality. With no middlemen, Autoround can bring you high quality products at the best prices!
SERVICE & WARRANTY - 3 year warranty are supported. If you are not sure if this applies to your vehicle or have any questions please feel free to contact "Autoround Customer Service" and we will solve the problem for you at the first time!

SaleRank No. #9

New Distributor Compatible With Delco On V8 Chevy GMC Truck 1500 2500 3500 5.0 305 5.7 350 427 TBI EFI LG4 LB9 F-Body

Replacement Part Numbers: 1103749, 1103791, 1103827, 1103838, 1103839, 1103880, 1103952, 1104048, 19179575, DST1830, 1103698
Condition: New; Country of Origin: CN
New Complete Assembly Ready To Install Direct Fit - Meets Original Equipment Manufacturer (OEM) Standards - All Electronic Module Components Are Computer Tested Before And After Assembly
One Year Hassle Free Guarantee
See Product Description for Additional Specifications

Rank No. #10

NICECNC TBI Injector Spacer 4.3L 5.0L 5.7L 305 350 GM TBI220 Compatible with Silverado Sierra Suburban Yukon Blazer Camaro Firebird Caprice S10 1986-1995

This kit installs between your injector pod and the TBI throttle body, raising the injector pod 1/4" and allowing more air and fuel flow.
No drilling or cutting on your TBI required to install the 1/4" stack.
Made from 6061 aluminium, machined by CNC technology, complemented by anodising.

Rank No. #11

MUGE RACING 92mm Throttle Body Assembly with TPS IAC Throttle Position Sensor for Chevy LSX LS LS1 LS2 LS6 LS7 Black

APPLICATION - FOR THE LS1 LS2 LS3 LS6 INTAKE FOR CABLE DRIVE ONLY.
FEATURES - Throttle body optimizing more airflow to your engine.A large throttle body is important to making additional power throughout the entire rev range on forced induction / naturally aspirated vehicle.
These units are good for huge horsepower increase along with improved throttle response,Made from machined T6 Aluminum Alloy.
Package Includes - 92mm throttle body with throttle position sensor (TPS) and Idle Air Control (IAC),and 4 Bolts.
Notes:We take no responsibility in teaching you how to install. Professional installation is strongly recommended.

Rank No. #12

AUQDD S20006 Throttle Body Assembly (For V8 4.8L/5.3L/6.0L) Fit For 03-06 Cadi-llac Escalade/Chevy Avalanche Silverado Tahoe/G-MC Envoy Sierra 1500 Yukon (Replace # TB1008 12679525 12570800)

¡¾QUALITY¡¿ - Manufactured in ISO/TS16949 2009 certified facilities, each throttle valve is rigorously tested to meet Original Equipment (OE) requirements.AUQDD electronic throttle bodies meet or exceed the performance of the original equipment they replace.
¡¾Performance¡¿ - Professional micro control chip inside to enables it to precisely open and close to regulate the fuel/air mixture,and help to keep the engine from idling instability.Upgraded sensors provide a sensitive engine control,effectively improve engine power as well as the vehicle acceleration performance.
¡¾OE Fit¡¿ - Order with confidence. Each throttle body is thoroughly tested to make sure 100% OE fit ,ensure quality and reliability out of the box.
¡¾Cost-effective¡¿ - We are a factory direct sales.Customers can spend a small amount of money and get high quality Brand new Electronic Fuel Injection Throttle Body Assembly.
¡¾Please Note¡¿ - Before placing the order,please check your car model in the Amazon Fitment Filter System in the top left corner,Do not count on year make and model only,view compatability tab including the notes.Any problem please free to contact us and you will get a satisfactory solution

Rank No. #13

Electric Throttle Body- S20064 ROADFAR Fit for 4.2l Chevy Trailblazer 03 04 05 06 07, 4.2l GMC Envoy 2003 2004 2005 2006 2007, 5.3l Chevrolet Impala 5.3L 06 07, Pontiac Grand Prix 5.3l 05 06 07

COMPATIBILITY VEHICLES: Our Throttle Body Assembly compatible for 2004-2007 for Buick Rainier, 2004-2007 for Chevrolet Colorado, 2006-2007 for Chevrolet Impala Monte Carlo, 2003-2007 for Chevrolet Trailblazer, 2003-2006 for Chevrolet Trailblazer EXT, 2004-2007 for GMC Canyon, 2003-2007 for GMC Envoy, 2003-2006 for GMC Envoy XL, 2004-2005 for GMC Envoy XUV, 2006-2007 for Hummer H3, 2003-2007 for Isuzu Ascender, 2003-2004 for Oldsmobile Bravada, 2005-2007 for Pontiac Grand Prix
REPLACE OEM PART NUMBER: Designed to meet or exceed OE of 217-2296, 337-05399, 67-3006, S20064, 12568580A
ADVANTAGE: The size of the throttle opening determines the probability of the engine; when the throttle is opened to the maximum extent, the fuel injector will stop injecting fuel, which is used to clear the cylinder and control the engine assembly. Operation function; control the flaps, control the size of the air through the operation of the sensor, and carry out power boosting.
IMPORTANCE OF THROTTLE BODY: The throttle body is an controlled flap. The flap is flipped by the angle of the accelerator pedal. The larger the angle of reversal, the larger the air. then the ECU controls the fuel injection amount according to the detected air quantity.
IMPORTANT NOTE:Please check year/make/model of your vehicle with the part finder tool on the top left corner to confirm compatibility before purchase.Please contact us via email if you have any question.

Rank No. #14

Electronic Throttle Body Fit for 2006-2008 Chevy Silverado Suburban Express Avalanche, GMC Sierra Yukon Envoy Savana, Cadillac Escalade, Saab Hummer Buick Isuzu 4.8/5.3/6.0/6.2L OE: 12580760 12679524

🔧Application for Chevrolet: Marsram throttle body compatible for 2007-2008 Avalanche V8 5.3L 6.0L, 2008 Express 1500 V8 5.3L, 2008 Express 2500 V8 4.8L 6.0L, 2008 Express 3500 V8 4.8L 6.0L, 2007-2008 Silverado 1500 V8 4.8L 5.3L 6.0L, 2007-2008 Silverado 2500 HD V8 6.0L, 2007-2008 Silverado 3500 HD V8 6.0L, 2007-2008 Suburban 1500 V8 5.3L 6.0L, 2007-2008 Suburban 2500 V8 6.0L, 2007-2008 Tahoe V8 4.8L 5.3L 6.0L 6.2L, 2006-2008 Trailblazer V8 5.3L 6.0L, 2006 SSR V8 6.0L
🔧Application for GMC: Marsram throttle body compatible for 2006-2008 Envoy V8 5.3L, 2006 Envoy XL V8 5.3L, 2008 Savana 1500 V8 5.3L, 2008 Savana 2500 V8 4.8L 6.0L, 2008 Savana 3500 V8 4.8L 6.0L, 2007-2008 Sierra 1500 V8 4.8L 5.3L 6.0L 6.2L, 2007 Sierra 2500 V8 6.0L, 2007 Sierra 3500 V8 6.0L, 2007-2008 Yukon V8 4.8L 5.3L 6.0L 6.2L, 2007-2008 Yukon XL 1500 V8 5.3L 6.0L 6.2L, 2007-2008 Yukon XL 2500 V8 6.0L
🔧Application for Cadillac: Marsram throttle body compatible for 2007-2008 Escalade V8 6.2L, 2008 Escalade ESV V8 6.2L, 2008 Escalade EXT V8 6.2L
🔧Application: Marsram throttle body compatible for Isuzu 2005-2006 Ascender V8 5.3L | for Hummer 2008 H2 V8 6.2L, 2008 H3 V8 5.3L | for Saab 2005-2008 9-7x V8 5.3L 6.0L | for Buick 2006-2007 Rainier V8 5.3L
🔧Replace OE Number: 12580760, 12679524, 217-2422, 2172422, 12572658. Marsram electronic throttle body assembly is manufactured to the same specifications as the original throttle body

Rank No. #15

Electric Throttle Body- 12601387 ROADFAR Fit for Chevy for Silverado 1500 4.8l 5.3l 6.0l 6.2l 2009-2013, for Chevy for Tahoe 5.3l 2009-2014, for Cadillac for Escalade 6.2l 2009-2014

COMPATIBILITY VEHICLES: Our Throttle Body Assembly compatible for Cadillac for Escalade 2009-2014, for Cadillac for Escalade ESV 2009-2014, for Cadillac for Escalade EXT 2009-2013, for Chevy for Colorado 2009-2012, for Chevy for Corvette 2009-2013, for Chevy for Express 1500 2009-2014 for GMC for Yukon 2009-2014, for GMC for Yukon XL 1500 2009-2014, for GMC for Yukon XL 2500 2009-2013, for Hummer H2 2009, for Hummer H3 H3T 2009-2010, for Saab for 9-7x 2009
REPLACE OEM PART NUMBER: Designed to meet or exceed OE of 12601387, 12629992, 67-3013, 217-3151, 337-02212, S20019
ADVANTAGE: The size of the throttle opening determines the probability of the engine; when the throttle is opened to the maximum extent, the fuel injector will stop injecting fuel, which is used to clear the cylinder and control the engine assembly. Operation function; control the flaps, control the size of the air through the operation of the sensor, and carry out power boosting.
IMPORTANCE OF THROTTLE BODY: The throttle body is an controlled flap. The flap is flipped by the angle of the accelerator pedal. The larger the angle of reversal, the larger the air. then the ECU controls the fuel injection amount according to the detected air quantity.
IMPORTANT NOTE:Please check year/make/model of your vehicle with the part finder tool on the top left corner to confirm compatibility before purchase.Please contact us via email if you have any question.

Rank No. #16

PAROD 12568580 Electronic Throttle Body fit for 04-07 Chevy Colorado,06-07 Impala/Monte Carlo,03-07 Trailblazer, 03-06 Trailblazer EXT,04-07 GMC Canyon, 03-07 Envoy XL, 04-05 XUV

【Note】Before placing the order, please check your car model in the Amazon Fitment Filter System in the top left corner, Do not count on year make and model only, please view the compatibility tab including the notes, or check the description of the product page / send us a message to make sure it matches exactly.
【Fitment】12568580 Throttle Body fit for 2004-2007 Buick Rainier, 2004-2007 Chevy Colorado, 2006-2007 Impala, 2006-2007 Monte Carlo, 2003-2007 Trailblazer, 2003-2006 Trailblazer EXT, 2004-2007 GMC Canyon, 2003-2007 Envoy, 2003-2006 Envoy XL, 2004-2005 Envoy XUV, 2006-2007 Hummer H3, 2003-2007 Isuzu Ascender, 2006 Isuzu i-350, 2007 Isuzu i-370, 2003-2004 Oldsmobile Bravada, 2005-2007 Pontiac Grand Prix 2005-2007 Saab 9-7x.
【Premium Quality】Made following stringent OE specifications by an OE manufacturer. Each Throttle Body undergoes strict quality control not just before shipping but throughout the production process. During each step of production, multiple quality control checks are performed to ensure a long, Trouble-free service life.
【Function】The size of the throttle opening determines the probability of the engine; when the throttle is opened to the maximum extent, the fuel injector will stop injecting fuel, which is used to clear the cylinder and control the engine assembly. it can control the flaps, control the size of the air through the operation of the sensor, and carry out power boosting.
【Great Warranty】We offer aftermarket items that meet OE quality standards and 3 years Warranty. If you have any problems with our product, please contact ''MACEL'' via Amazon email for customer warranty service.

Rank No. #17

Autoround S20006 Electronic Throttle Body Compatible with GMC Yukon/Sierra, Cadillac Escalade, Chevy Tahoe/Silverado 1500, Hummer H2, Buick Rainie, OE Replacement # 12570800

COMPATIBILITY - This throttle body assembly replacement for BUICK, CADILLAC, CHEVROLET Vehicles - 04 Rainier | 03-06 Escalade/ ESV/ EXT | 03-06 Avalanche 1500 | 07 Express 1500 | 04-06 Express 2500 | 07 Express 2500 | 04-06 Express 3500 | 07 Express 3500 | 03-06 Silverado 1500 | 07 Silverado 1500 Classic | 07 Silverado 1500 Classic | 03-06 Silverado 1500 HD | 07 Silverado 1500 HD Classic | 03-04 Silverado 2500 | 03-06 Silverado 2500 HD | 07 Silverado 2500 HD Classic | 03-06 Silverado 3500 | 07 Silverado 3500 Classic | 03-04 SSR | 03-06 Suburban 1500 | 03-06 Suburban 2500 | 03-06 Tahoe | 03-04 Trailblazer EXT
COMPATIBILITY - This throttle body assembly replacement for GMC, HUMMER, ISUZU Vehicles - 03-04 Envoy XL | 04 Envoy XUV | 07 Savana 1500 | 04-06 Savana 2500 | 07 Savana 2500 | 04-06 Savana 3500 | 07 Savana 3500 | 03-06 Sierra 1500 | 07 Sierra 1500 Classic | 07 Sierra 1500 Classic | 07 Sierra 1500 Classic | 03-06 Sierra 1500 HD | 07 Sierra 1500 HD Classic | 03-04 Sierra 2500 | 03-06 Sierra 2500 HD | 07 Sierra 2500 HD Classic | 03-06 Sierra 3500 | 07 Sierra 3500 Classic | 03-06 Yukon | 03-06 Yukon XL 1500 | 03-06 Yukon XL 2500 | 03-07 H2 | 03-04 Ascender
QUALITY & UPGRADE - Autoround's throttle body manufactured to OE specifications and ISO quality standards under the guidance of a professional OEM manufacturer, has an upgraded housing and electronic sensors that are more heat-resistant and corrosion-resistant than the original throttle valve. And improves the shortcomings of the original throttle valve sensor that is easy to wear and fail. All products are factory-tested for Reliability, Durability, and Performance
AMAZING PRICE - Autoround products are manufactured and packaged in Autoround's own factory under OEM factory guidance to ensure Autoround's perfect quality. With no middlemen, Autoround can bring you high quality products at the best prices!
SERVICE & WARRANTY - 3 year warranty are supported. If you are not sure if this applies to your vehicle or have any questions please feel free to contact "Autoround Customer Service" and we will solve the problem for you at the first time!

Rank No. #18

RICH Electronic Throttle Body Compatible with Chevy Silverado Suburban Express Avalanche, GMC Sierra Yukon Envoy, Cadillac Escalade, Saab,Buick,Isuzu 4.8/5.3/6.0/6.2L, 12580760 12679524

Application for Chevy: RICH AUTO throttle body compatible for 2007-2008 Avalanche V8 5.3L 6.0L, 2008 Express 1500 V8 5.3L, 2008 Express 2500 V8 4.8L 6.0L, 2008 Express 3500 V8 4.8L 6.0L, 2007-2008 Silverado 1500 V8 4.8L 5.3L 6.0L, 2007-2008 Silverado 2500 HD V8 6.0L, 2007-2008 Silverado 3500 HD V8 6.0L, 2007-2008 Suburban 1500 V8 5.3L 6.0L, 2007-2008 Suburban 2500 V8 6.0L, 2007-2008 Tahoe V8 4.8L 5.3L 6.0L 6.2L, 2006-2008 Trailblazer V8 5.3L 6.0L, 2006 SSR V8 6.0L
Application for GMC: RICH AUTO throttle body compatible for 2006-2008 Envoy V8 5.3L, 2006 Envoy XL V8 5.3L, 2008 Savana 1500 V8 5.3L, 2008 Savana 2500 V8 4.8L 6.0L, 2008 Savana 3500 V8 4.8L 6.0L, 2007-2008 Sierra 1500 V8 4.8L 5.3L 6.0L 6.2L, 2007 Sierra 2500 V8 6.0L, 2007 Sierra 3500 V8 6.0L, 2007-2008 Yukon V8 4.8L 5.3L 6.0L 6.2L, 2007-2008 Yukon XL 1500 V8 5.3L 6.0L 6.2L, 2007-2008 Yukon XL 2500 V8 6.0L
Application for : RICH AUTO throttle body compatible for Cadillac 2007-2008 Escalade V8 6.2L, 2008 Escalade ESV V8 6.2L, 2008 Escalade EXT V8 6.2L, Isuzu 2005-2006 Ascender V8 5.3L | for 2008 H2 V8 6.2L, 2008 H3 V8 5.3L | for Saab 2005-2008 9-7x V8 5.3L 6.0L | for Buick 2006-2007 Rainier V8 5.3L
【High Quality Materials】RICH Electronic Throttle Body is manufactured using premium materials, ensuring durability and long-lasting performance, meeting or exceeding OEM standards. So that the throttle body can more accurately control the amount of air flowing into the engine and ensure the best performance of the engine.
【Easy to Install】 The electronic throttle body assembly is a direct replacement, 100% new and tested before shipment. It is easy to install, just loosen the clamp and unplug the electrical connection, unbolt the bolts and lift the throttle off, then you can install the new throttle body,(Note: Don’t forget to reset the ECM) The redesigned internal electronic sensor of electronic throttle body improves shortcomings of the old one which commonly fails due to excessive wear

Rank No. #19

IRONTREE S20016 Professional Electronic Throttle Body Compatible with Chevy Cobalt HHR Malibu, Pontiac G5, Saturn Ion, 2.2L L4 Engine, OE Replacement # 12633774 12603897

【Premium Quality】Built to stringent OE specifications and strict quality control standards by the professional OEM manufacturer, 100% computerized testing for reliable and consistent performance
【Better Performance】Upgrade critical component parts, including the housing, throttle plate, position sensors and throttle actuator motor, meet or exceed O.E., ensuring accurate air flow in all driving conditions and peak engine performance
【Perfect Fit】Direct replacement for a proper fit, Actuator, Idle Air Control and Throttle Position Sensor are pre-assembled in each unit, plugs into the original equipment wiring harness with no adapter required
【Amazing Price】Factory Direct Fuel Injection Throttle Body. Our mission is to supply the best throttle body at the best prices. Don't be surprised by the lowest price！
【Great Warranty】3-Year Warranty（please carefully check and confirm the detail fitment）

Rank No. #20

WMPHE Electronic Throttle Body Assembly Compatible with Chevy Avalanche Suburban Tahoe,Chevy Trailblazer,GMC Envoy Throttle Actuator Replace OEM 217-2422 12679524 977-014 Fuel Injection Throttle Body

Compatible with 2007-08 Chevy Avalanche 1500 ,2007-08 Chevy Suburban 1500,2007-08 Chevy Suburban 2500,2007-08 Chevy Tahoe,2006-09 Chevy Trailblazer V8 6.0L,2006-08 Chevy Trailblazer V8 5.3L,2005-06 Chevy Trailblazer EXT V8 5.3L
Compatible with 2008-09 GMC Envoy V8 5.3L,2007-08 GMC Yukon,2007-08 GMC Yukon XL 1500,2007-08 GMC Yukon XL 2500,More vehcile Please See Product Description
Replaces OEM Part Number # 12572658 12580760 12679524 217-2422 977-014 S20008 337-02171 ETB0024
Built-in quality motor ensure long-term operation.Green gasket keep throttle body and tube tightly connected.
Before placing the order, please check your car model in the " amazon confirmed fit " in the top left corner. Please make sure to match the exact part numbers between this part and the part that you are replacing. Note: If you have problems with installation, please contact us and we will provide you with installation instructions.

Last update on 2023-12-19 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: How big of a bore does a 305 TBI have?

A: The stock 305 and 350 TBI unit has 2 (1 11/16″) bores which flow 450 cfm of air. Up to 230hp engines that air flow is fine. you can do the ultimate TBI mods to the stock 42mm TBI unit and get that air flow up to 500cfm without increasing that bore diameter which is plenty for any 305 engine that you can run with TBI. 7.

Q: What kind of injectors does a Camaro 305 use?

A: Injectors. Really don’t mess with changing injectors much on the 305 engines but have lots of customers that run the LT1 Z28 cams in the Camaro 305 engines and like to use the 350 truck injectors and I program the chip to run with those injectors.

Q: Can you lift the intake valve on a 305?

A: WARNING: 305 engines have tiny cylinders and I don’t recommend over .480 lift on that intake valve as you could shove the valve into the side of the cylinder.

Q: What kind of truck can I use for a 305?

A: Pickup a used 350 preferably a 1996+ vortec 350 and build on it while you drive around in the 305 and then just swap over. The cost for those extra 45 cubic inches isn’t very much and worth every penny.