The Best 19045-Raa-003 of 2025 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 19045-Raa-003 of 2025. Check our ranking below.

2,967 Reviews Scanned

Rank No. #1

DOICOO 19045-RAA-003 19045RAA003 Radiator Cap Compatible with Honda Accord Civic Crosstour CRV Element Odyssey Pilot Ridgeline S2000 Acura MDX RDX RL RLX TL TLX TSX ZDX

One year warranty time. You could get a quick and easy refund or replacement if you meet any problem with the part in the warranty time.Please contact us without hesitation.
Production: Meet the professional specification as aftermarket parts with stable performance and durable service; Meet OEM quality standard; all tested before shipment
Notice: Carefully check fitment, list description, part pictures and part no., must make sure they all fit your vehicle
Compatible with Honda: 2005-2019 Accord, 2006-2015 Civic, 2012-2015 Crosstour, 2006-2018 CRV, 2007-2011 Element, 2015-2019 Fit, 2016-2019 HR-V, 2008-2019 Odyssey, 2009-2019 Pilot, 2009-2014, 2017-2019 Ridgeline, 2006-2009 S2000
Compatible with Acura: 2013-2014 ILX, 2007-2019 MDX, 2007-2018 RDX, 2006-2012 RL, 2014-2019 RLX, 2006-2014 TL, 2015-2019 TLX, 2005-2014 TSX, 2010-2013 ZDX

Rank No. #2

Radiator Cap Replace 19045-RAA-003, 19045-PAA-A01, Compatible with Honda, Acura - Accord, Civic, CRV, Element, Fit, Odyssey, Pilot, Ridgeline, S2000, MDX, TL, RDX, RL, RLX, TLX, TSX, ZDX

[Replaces Part Number/OEM Number]:19045-RAA-003, 19045RAA003 radiator cap.
[Compatible with Acura Vehicles] :1997-2003 CL | 1994-2001 Integra | 1991-1995 Legend | 2001-2006 MDX | 1996-2005 RL | 2002-2006 RSX Hatchback | 1995-2005 TL | 2004-2005 TSX. radiator cap.
[Durable Construction]: Our Coolant Cap Is Made From High-quality Materials, Meeting OEM Standards For A Perfect Fit. It Ensures An Excellent Seal For Your Vehicle's Coolant Reservoir, Enhancing The Efficiency And Safety Of Your Cooling System By Preventing Coolant Loss And Maintaining Proper Pressure.
[Simple Setup]: Designed For A Direct Replacement, Our Coolant Cap Requires No Additional Drilling Or Tools For Installation. Just Unscrew The Old Cap And Twist On The New One For A Firm, Non-locking Fit. This Process Ensures Effortless Operation And Reliable Functionality Every Time.
[What You Get]: A Premium Product, Backed By Our 12-month Warranty, And Responsive Customer Service (resolving Your Concerns Within 24 Hours).

Rank No. #3

HOSAIRY Radiator Cap Replace 19045-RAA-003 19045RAA003 19045 RAA 003 for Honda Accord Civic Crosstour CRV Element Odyssey Pilot Ridgeline S2000 Acura MDX RDX RL RLX TL TLX TSX ZDX

[Compatible Vehicles] 2005-2020 for Honda Accord; 2010-2011 for Honda Accord Crosstour; 2006-2015 for Honda Civic; 2012-2015 for Honda Crosstour; 2005-2020 for Honda CRV; 2007-2011 for Honda Element; 2015-2020 for Honda Fit; 2016-2020 for Honda HR-V; 2008-2021 for Honda Odyssey; 2019-2020 for Honda Passport; 2009-2021 for Honda Pilot; 2009-2014, 2017-2020 for Honda Ridgeline; 2006-2009 for Honda S2000
[Compatible Vehicles] 2013-2014 for Acura ILX; 2007-2020 for Acura MDX; 2007-2021 for Acura RDX; 2006-2012 for Acura RL; 2014-2020 for Acura RLX; 2006-2014 for Acura TL; 2015-2020 for Acura TLX; 2005-2014 for Acura TSX; 2010-2013 for Acura ZDX; Replace OE# for 19045-RAA-003, 19045RAA003, 19045 RAA 003 radiator cap.
[Function] HOSAIRY Radiator Cap designed to seal the top of the radiator filler neck, It can hold the coolant inside the radiator and prevent coolant loss, Also works as a two-way valve that keep the right pressure inside so the radiator does it work correctly. If the pressure isn't maintained, coolant will boil and evaporate, the engine will at risk of overheating. Symptoms of a Bad Radiator Cap: air enters the system, low coolant level, coolant leaks, overflowing reservoir, overheating engine.
[Features] HOSAIRY Replacement Radiator Cap is Professional, High-quality OE style and meet or exceed original equipment performance. Made of premium materials for durability. Designed for function on open cooling systems and overflow reservoir type systems. It is extremely important to always make sure to allow the engine to cool down before removing the radiator cap, once you have a replacement and your engine is cool, simply unscrew the old cap, and install the new by screwing it down.
[Notes] Please Check the part number and the model and year of your car before you purchase. This is NOT an OEM Part, it's an Aftermarket replacement part manufactured by HOSAIRY. Professional Installation is recommended, If the Radiator Cap fails on your vehicle, just contact us for a replacement. Any question, please feel free to e-mail us.

Rank No. #4

TNAIYH Car Radiator Cap Cover, Heavy Duty Vehicle Coolant Reservoir Tank Cover with Cap, Automotive OEM# 19045-RAA-003 Replacement Accessories, Compatible with Civic CRV Pilot

High Quality Material: The car radiator cap is made of high-quality iron material. Iron material has good hardness and toughness, playing a key role in protecting heat sinks. It can effectively resist slight impacts and compressions from the outside, avoiding deformation and damage to the radiator due to collisions, and extending the service life of the radiator. At the same time, iron material has good stability and can maintain stable shape and performance.
Scope of Application: This product measures 2.76 × 1.77 × 0.79 inches. It is compatible with the Accord 1994-2006, Civic 1992-2005, Civic del Sol 1993-1997, CR-V 1997-2005, Element 2003-2006, Insight 2000-2006, Odyssey 1995-2007, Pilot 2003-2008, Prelude (1993-2001), Ridgeline 2006-2008, and S2000 2000-2005. Additionally, the product serves as a direct replacement for OEM#19045-RAA-003.
Easy Installation: Installing this product does not require complex tools or professional skills. Firstly, ensure that the car is turned off. After the engine and radiator have cooled down, open the front hood of the car and locate the radiator position. Then, align the product with the installation position of the radiator, gently tighten and fix the cover, and check whether the cover is securely installed without any looseness.
Practical Function: This product can effectively avoid various problems that may be caused by damage to the radiator cover, including preventing air from entering the cooling system, maintaining stable coolant level, preventing coolant leakage, avoiding overflow of the reservoir, reducing the possibility of engine overheating caused by these faults from the root, and comprehensively safeguarding the operation of the car's cooling system.
Portable: This product can maintain the internal pressure of the radiator within a moderate range, providing key guarantees for the continuous and stable operation of the radiator, and avoiding the impact of abnormal pressure on heat dissipation efficiency. This product is compact and lightweight in size, and does not take up space for daily storage. It is very convenient to carry with the car as a backup or for temporary use during maintenance.

Rank No. #5

Radiator Cap

Genuine OEM part

Rank No. #6

Radiator Cap, Replace 19045-RAA-003, 19045RAA003, 19045 RAA 003 Compatible with Honda, Acura - Accord, Civic, CRV, Element, Fit, Odyssey, Pilot, Ridgeline, S2000, MDX, TL, RDX, RL, RLX, TLX, TSX, ZDX

REPLACEMENT RADIATOR CAP : The radiator cap holds the coolant inside the radiator, but it also works as a two-way valve that keeps the right pressure inside so the radiator does it work correctly. Symptoms of a Bad Radiator Cap: air enters the system, low coolant level, coolant leaks, overflowing reservoir, overheating engine. This is a replacement cap for genuine OEM Honda radiators manufactured by DENSO only! Please check your vehicle to be sure you have a Denso radiator before purchase!
COMPATIBLE WITH HONDA VEHICLES : w/ OEM DENSO radiator ONLY : 2005-2020 Accord | 2010-2011 Accord Crosstour | 2006-2015 Civic | 2012-2015 Crosstour | 2005-2020 CRV | 2007-2011 Element | 2015-2020 Fit | 2016-2020 HR-V | 2008-2021 Odyssey | 2019-2020 Passport | 2009-2021Pilot | 2009-2014, 2017-2020 Ridgeline | 2006-2009 S2000 radiator cap. Please check the detailed description before purchase. Thank you!
REPLACES PART # : 19045-RAA-003, 19045RAA003, 19045 RAA 003 radiator cap. It can compatible with Acura : 2013-2014 ILX | 2007-2020 MDX | 2007-2021 RDX | 2006-2012 RL | 2014-2020 RLX | 2006-2014 TL | 2015-2020 TLX | 2005-2014 TSX | 2010-2013 ZDX. It is important to always make sure to allow the engine to cool down before removing the radiator cap, as removing the cap from a hot system can cause sudden coolant spray and severe burns.
OE FIT, FORM, FUNCTION : Professional, high quality OE style and meet or exceed all original equipment performance replacement radiator cap. Constructed with premium materials for durability. Designed to function on open cooling systems and overflow reservoir type systems and allows the cap to be installed and removed much easier.
FRIENDLY NOTE : If the radiator cap fails on your vehicle, simply contact us for a replacement. Also if you have any other questions on our this radiator cap, please contact us at the first time. This is NOT a genuine part, it's a aftermarket replacement part manufactured by Allmotorparts.

Rank No. #7

YUPIKJI Radiator Cap, Cooling Radiator Cap, 19045-PAA-A01 19045-RAA-003 Anti-Heat Cover, Compatible with 1994-2006 Honda Accord 1992-2005 Civic 1997-2005 CRV 1995-2007 Odyssey 2003-2008 Pilot

Material : The radiator cap is made of high-quality stainless steel, featuring high hardness, high strength, solid texture, wear-resistant and durable, strong stability, and is not prone to deformation or cracking. It can maintain good performance even after long-term use
OEM part number : The OEM number of the cooling radiator cap is 19045-PAA-A01, 19045-RAA-003, 19045-P08-003, 19045-P08-013, 19045-RAA-A51. The product size is standard and can be directly replaced. Please carefully check the product model before placing an order to ensure compatibility
Compatibility range : The radiator coolant cap is compatible with the 1994-2006 Honda Accord, 1992-2005 Honda Civic, 1997-2005 Honda CR-V, 2003-2006 Honda Element, 2000-2005 Honda S2000, 2013-2014 Acura lLX, 2007-2019 Acura MDX, 2014-2019 Acura RLX, 2006-2014 Acura TL and other models
Function : This radiator reservoir cap has excellent sealing performance and can serve as a two-way valve. It can maintain an appropriate internal pressure while preventing the coolant from boiling and evaporating, ensuring the normal operation of the radiator and enhancing driving safety
Product Introduction : This product contains 1 stainless steel radiator cap, which can meet your daily usage needs. The product is small in size and light in weight, making it convenient to carry and store. You can put it in the trunk of your car and it won't take up too much space

Rank No. #8

HOSAIRY Cooling Radiator Cap w/Anti-Hot Cover 19045-PAA-A01 for Acura RSX MDX TSX Honda Civic Accord Odyssey CR-V and More Vehicles

[Compatible Vehicles] for Honda Civic 1998-2005; for Honda Accord 1994-2005; for Honda S2000 2000-2005; for Honda Ridgeline 2006-2008; for Honda Prelude 1999-2001; for Honda Pilot 2003-2008; for Honda Odyssey 1998-2007; for Honda Insight 2000-2006
[Compatible Vehicles] for Honda CR-V 2002-2005; for Honda Element 2003-2006; for Acura CL 1997-2003; for Acura Integra 1994-2001 (NOT FIT GS-R); for Acura TSX 2004-2005; for Acura TL / RL 1999-2005; for Acura RSX 2002-2006; for Acura Legend 1991-1995; for Acura MDX 2001-2006; NOT FIT Si or HYBRID MODELS.
[Function] HOSAIRY Radiator Cap designed to seal the top of the radiator filler neck, It can hold the coolant inside the radiator and prevent coolant loss, Also works as a two-way valve that keep the right pressure inside so the radiator does it work correctly. If the pressure isn't maintained, coolant will boil and evaporate, the engine will at risk of overheating. Symptoms of a Bad Radiator Cap: air enters the system, low coolant level, coolant leaks, overflowing reservoir, overheating engine.
[Features] HOSAIRY Replacement Radiator Cap is Professional, High-quality OE style and meet or exceed original equipment performance. Made of premium materials for durability. Designed for function on open cooling systems and overflow reservoir type systems. It is extremely important to always make sure to allow the engine to cool down before removing the radiator cap, once you have a replacement and your engine is cool, simply unscrew the old cap, and install the new by screwing it down.
[Notes] Please Check the part number and the model and year of your car before you purchase. This is NOT an OEM Part, it's an Aftermarket replacement part manufactured by HOSAIRY. Professional Installation is recommended, If the Radiator Cap fails on your vehicle, just contact us for a replacement. Any question, please feel free to e-mail us.

Rank No. #9

SWQS Radiator Cap for Honda OEM 19045-RAA-003 19045-PAA-A01 Car Radiator Cover Compatible with Honda & Acura Accord, Civic, CR-V, Odyssey, Pilot, MDX, TL, RDX, TSX Anti-Scalding Radiators Pressure Cap

Applicable Models: For Honda Accord (2005-2019), Civic (2006-2015), Crosstour (2012-2015), CRV (2006-2018), Element (2007-2011), Fit (2015-2019), HR-V (2016-2019), Odyssey (2008-2019), Pilot (2009-2019), Ridgeline (2009-2014)and(2017-2019), S2000 (2006-2009); Acura ILX (2013-2014), MDX (2007-2019), RDX (2007-2018), RL (2006-2012), RLX (2014-2019), TL(2006-2014), TLX (2015-2019), TSX(2005-2014), ZDX(2010-2013)
Product Specifications: This product strictly adheres to OEM specifications, is plug-and-play, and perfectly fits the original vehicle radiator. The core OE numbers are 19045-PAA-A01 and 19045-RAA-003, and it is compatible with many related models. Please be sure to verify your vehicle's original part number or use our online compatibility table before purchasing to ensure accurate matching
Superior Quality: The radiator cap is made of high-quality metal and high-temperature resistant silicone sealing rings, making it resistant to cracking and deformation, and providing excellent sealing to ensure the cooling system maintains a superior seal under rated pressure. It effectively prevents coolant leakage and external impurities from entering, maintains system pressure balance, significantly improves heat dissipation efficiency, and protects the engine
Product Function: This radiator cap not only seals the coolant inside the radiator, but also acts as a two-way valve. When the pressure is abnormally high, it automatically releases pressure to the auxiliary water tank and then flows back after the pressure returns to normal, maintaining the appropriate pressure inside the radiator and intelligently protecting the safety of the entire cooling system
Safety Warning: This radiator cap features clear hazard warning labels in multiple languages indicating that it should never be opened when the engine is overheated to avoid burns. This effectively prevents the risk of burns from hot coolant splashes, providing helpful safety guidance for your routine maintenance

Rank No. #10

Suno Power Radiator Cap Replacement 19045RAA003/ 19045-RAA-003 Compatible with Honda Acura, Crosstour Civic Accord S2000 Pilot Ridgeline Element CRV Odyssey ZDX RDX TLX RL RLX TL MDX TSX

Compatible With Honda: This radiator pressure cap delivers precise compatibility, includes 2012-2015 Crosstour/ 2016-2019 HR-V/ 2015-2019 Fit/ 2006-2015 Civic/ 2006-2018 CRV/ 2008-2019 Odyssey/ 2005-2019 Accord/ 2009-2014, 2017-2019 Ridgeline/ 2007-2011 Element/ 2006-2009 S2000/ 2009-2019 Pilot.
Compatible With Acura: This radiator pressure cap delivers precise compatibility, includes 2007-2018 RDX/ 2010-2013 ZDX/ 2006-2012 RL/ 2013-2014 ILX/ 2015-2019 TLX/ 2007-2019 MDX/ 2014-2019 RLX/ 2005-2014 TSX/ 2006-2014 TL
Direct OEM Replacement: Manufactured to match original part, direct replace OE number 19045-RAA-003 and 19045RAA003. Please check your engine model and OE number to ensure proper fit.
Features: Constructed from high quality materials for manufactured to meet or exceed OE standards, it provide an excellent seal performance to ensure the radiator is functioning properly during various driving conditions and climate environments.
Easy Installation: Designed for straightforward installation, just removal the original cap and replace with a new one without special tools or modifications.

Last update on 2026-04-11 / Affiliate links / Images from Amazon Product Advertising API

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The Best 19045-Raa-003 of 2025 – Reviewed and Top Rated

How Do You Buy The Best 19045-Raa-003?

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