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Updated: 06 Apr 2026

10 Best Coolant Recovery Bottle Caps

#1 Best Pick
X AUTOHAUX Radiator Coolant Reservoir Recovery Cap for Chrysler for Jeep for Dodge for Ram 2013-2021 Replaces 68442532AA

X AUTOHAUX Radiator Coolant Reservoir Recovery Cap for Chrysler for Jeep for Dodge for Ram 2013-2021 Replaces 68442532AA

Brand: X AUTOHAUX
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  • Fitment: for Chrysler 200 2015-2017, for Chrysler Pacifica 2017-2021, for Chrysler Voyager 2020-2021, for Dodge Dart 2013-2016, for Dodge Durango 2016-2021, for Dodge Neon 2017, for Fiat 500X 2016-2019, for Jeep Cherokee 2014-2021, for Jeep Compass 2017-2021, for Jeep Gladiator 2020-2021, for Jeep Grand Cherokee 2016-2020, for Jeep Renegade 2015-2021, for Jeep Wrangler 2018-2021, for Ram 1500 2014-2021, for Ram 2500 / 3500 2013-2021, for Ram 4500 / 5500 2013-2018, for Ram 1500 Classic 2019.
  • OE Number: 68442532AA, 68249136AA, 53479332. Please check the "Year, Make, Model" of your vehicle with our description detail instead of just item title because "Year" is different in specific vehicle!!!
  • Feature: Directly replace the original engine reservoir cap. This cap fits and functions like original equipment for a trouble free installation.
  • Installation: It perfectly matches the original car and can be replaced directly. The cap is a good replacement for the old or broken one.
  • Material: Made of plastic for a long service life, durable in use. Wear resistant, corrosion resistant and durable.
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#2 Best Value
2001 2008 Car Engine Radiator Expansion Tank Water Bottle Cap Replacement Coolant Reservoir Cap

2001 2008 Car Engine Radiator Expansion Tank Water Bottle Cap Replacement Coolant Reservoir Cap

Brand: Generic
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  • [High-quality Material] Made of abs material, the expansion tank cover has a long service life and is wear-resistant.
  • [Easy Installation] This expansion tank cover is easy to install and can directly replace the old or broken one, saving time and effort.
  • [Ensured Driving Safety] The coolant reservoir cap prevents water overflow in the fluid reservoir, enhancing driving safety.
  • [ Replacement] This expansion tank cover has a fit for 2001 to 2008, ensuring precise replacement.
  • [ Sealing Performance] With a good sealing performance, this expansion tank cover offers protection.
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#3 Budget Pick
Fdit Engine Coolant Reservoir Cap 52079331, ABS Coolant Overflow Bottle Cap Replacement for TJ Cherokee XJ ZJ WJ KJ 1997 to 2006

Fdit Engine Coolant Reservoir Cap 52079331, ABS Coolant Overflow Bottle Cap Replacement for TJ Cherokee XJ ZJ WJ KJ 1997 to 2006

Brand: Fdit
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  • ABS Material Construction: Made from quality ABS material that provides reliable to impact, scratches, and corrosion for consistent performance in engine bay conditions.
  • Maintains System Pressure: This coolant reservoir cap helps maintain proper pressure in the cooling system, ensuring efficient engine operation and preventing overheating issues.
  • Specific Compatibility: Engineered for TJ (1997-2006), Cherokee XJ (1997-2001), ZJ/WJ (1997-2004), and KJ (2002-2004) models.
  • Restored Cooling Function: Replaces worn or damaged caps to restore proper sealing of your coolant overflow system, maintaining optimal cooling system performance.
  • Direct OEM Replacement: Designed as exact replacement for OEM 52079331, ensuring fit and function without modifications for quick and easy installation.
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#4 Top Choice
Dreyoo 2PC Engine Coolant Reservoir Cap, Overflow Coolant Recovery Water Tank Cap Compatible with Chrysler/Dodge/Jeep/Ram Replacements 55111074AA, 55111074AB, 52079331, 54201,Car Accessories

Dreyoo 2PC Engine Coolant Reservoir Cap, Overflow Coolant Recovery Water Tank Cap Compatible with Chrysler/Dodge/Jeep/Ram Replacements 55111074AA, 55111074AB, 52079331, 54201,Car Accessories

Brand: Dreyoo
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  • Wide Compatibility: the coolant tank overflow bottle cap is compatible with 55111074AA, 55111074AB, 55038011AB, 55116874AE, 52079331, 54201 part number; Radiator cap is compatible with Jeep TJ/XJ/KJ/WJ most model engines, compatible with most model engines, compatible with most model engines, compatible with Ram C/V (2012-2015) engines
  • Sturdy Material: the engine coolant reservoir cap is made of ABS material, which is hard and the internal structure is stable, so the brake fluid cap is not easy to deform and fade; The radiator cover has high durability, long service life, is not easy to break, and has good impact, scratch, and wear resistance
  • Coolant Cap Replacement: this coolant cap is designed as direct replacement for old or broken ones, which can suit your needs; To fit make sure the flat edge is aligned with the retaining lip on the reservoir to ensure it snaps into place; It only takes a few seconds to install
  • Good Replacement Set: the coolant recovery tank cap has an integral snap design that helps to keep the coolant in the reservoir when fastened; No coolant leaks and no more smelling radiator fluid when sitting in the car; The coolant tank overflow bottle cap is ideal for replacing old coolant recovery caps
  • Bright Yellow Radiator Reservoir Cap: for those who do not know much about the structure of the car, designed the radiator cap in a bright yellow color and the three dimensional coolant markings, so that you can tell where the coolant is and replace it at a glance, without fear of confusion with the glass water cap
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#5 Popular Choice
MTRPS 2 PCS Engine Coolant Reservoir Cap, Overflow Tank Cap Replaces OEM# 55111074AA 52079331, Engine Coolant Recovery Bottle Caps for Voyager Wrangler Grand Cherokee, Car Accessories

MTRPS 2 PCS Engine Coolant Reservoir Cap, Overflow Tank Cap Replaces OEM# 55111074AA 52079331, Engine Coolant Recovery Bottle Caps for Voyager Wrangler Grand Cherokee, Car Accessories

Brand: MTRPS
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  • Quality Material: This cap is made from premium PE, offering excellent durability for long-term use. It resists cracking and deformation, even under frequent engine heat or temperature fluctuations, helping maintain consistent sealing and performance over time
  • Unique Design: The cap features a bold, bright yellow finish that remains clearly visible under the hood. Its easy-to-read markings help drivers quickly locate the coolant reservoir, reducing the chance of confusion or mistakes during routine fluid checks, top-offs, or replacements
  • Secure Sealing: This reservoir cap is engineered to align precisely with the tank opening, providing a firm and leak-resistant seal. It helps keep coolant leaks, pressure drops, and dirt contamination from occurring—allowing your engine's cooling system to operate at its intended efficiency
  • Wide Application: This cap measures 4.7 × 2.2 inches and is designed to replace OEM parts 52079331 and 55111074AA. It fits select different models such as the Pacifica, Compass, Grand Caravan, and 1500 Classic. Please review the fitment chart below before purchasing
  • Easy to Use: The coolant cap is simple to install and remove. Drivers just need to take off the old cap, check or refill the coolant if needed, and then tighten the new cap securely. Its intuitive design helps make coolant maintenance faster, cleaner, and more accessible for most users
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#6 Top Pick
2PCS Coolant Reservoir Caps,21712-79900 Engine Coolant Reservoir Cap Replacement,Engine Coolant Overflow Reservoir Tank Cap Compatible with Nissan Murano Rogue Versa Infiniti,Car Accessories(Black)

2PCS Coolant Reservoir Caps,21712-79900 Engine Coolant Reservoir Cap Replacement,Engine Coolant Overflow Reservoir Tank Cap Compatible with Nissan Murano Rogue Versa Infiniti,Car Accessories(Black)

Brand: LQKS
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  • 【High Quality】:Made of premium nylon material, this car coolant reservoir cap is sturdy and durable. It features strong sealing performance, resists cracking and deformation, and can withstand extreme environments, ensuring a long service life.
  • 【Practical Function】:The radiator cover provides a tight seal to prevent coolant from overflowing or leaking during vehicle operation, effectively improving driving safety. It serves as an ideal replacement for aging or damaged reservoir caps.
  • 【Replacement Part Number】:The replacement part number for this coolant radiator cover is 21712-79900. Ensure compatibility with your vehicle’s fuel tank cap model number before purchase. Suitable for most models, primarily compatible with Nissan Murano, Rogue, Versa, and Infiniti.
  • 【Easy to Install】:Featuring a threaded design for strong sealing, this overflow water tank cap is very easy to install. No tools are required; simply tighten the coolant reservoir cap for quick and efficient setup, saving you time and effort.
  • 【Package Included】:You will receive two black radiator coolant caps after purchase. This coolant overflow reservoir cap has an outer diameter of 1.5 x 1.5 inches, an inner diameter of 1.26 x 1.26 inches, and a height of 0.43 inches. It is sufficient for your daily replacement and use.
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#7 Top Pick
Reservoir for Toyota for Corolla 16475-51010 Radiator Coolant Overflow Recovery Tank Cap Expansion Reservoir Bottle Cap

Reservoir for Toyota for Corolla 16475-51010 Radiator Coolant Overflow Recovery Tank Cap Expansion Reservoir Bottle Cap

Brand: Generic
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  • Reservoir for Toyota for Corolla 16475-51010 Radiator Coolant Overflow Recovery Tank Cap Expansion Reservoir Bottle Cap
  • ADVANTAGE: The expansion tank is used in the closed water circulation system to balance the water volume and pressure, avoiding frequent opening of the valve and frequent replenishment of the automatic water supply valve.
  • SAFETY FEATURES: Integrated warning indicators and pressure relief system help prevent accidental removal when system is hot
  • PRECISE FIT: Specially designed cap with serrated edges for secure grip and proper sealing of the coolant reservoir
  • NOTES: Please check the description or use the year,make,model in the Amazon Fitment Filter System in the top left corner to confirm the compatibility before placing order.
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#8 Top Pick
MTRPS Engine Coolant Reservoir Cap, Overflow Tank Cap Replaces OEM# 55111074AA 52079331, Engine Coolant Recovery Bottle Caps for Voyager Wrangler Grand Cherokee, Car Accessories

MTRPS Engine Coolant Reservoir Cap, Overflow Tank Cap Replaces OEM# 55111074AA 52079331, Engine Coolant Recovery Bottle Caps for Voyager Wrangler Grand Cherokee, Car Accessories

Brand: MTRPS
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  • Quality Material: This cap is made from premium PE, offering excellent durability for long-term use. It resists cracking and deformation, even under frequent engine heat or temperature fluctuations, helping maintain consistent sealing and performance over time
  • Unique Design: The cap features a bold, bright yellow finish that remains clearly visible under the hood. Its easy-to-read markings help drivers quickly locate the coolant reservoir, reducing the chance of confusion or mistakes during routine fluid checks, top-offs, or replacements
  • Secure Sealing: This reservoir cap is engineered to align precisely with the tank opening, providing a firm and leak-resistant seal. It helps keep coolant leaks, pressure drops, and dirt contamination from occurring—allowing your engine's cooling system to operate at its intended efficiency
  • Wide Application: This cap measures 4.7 × 2.2 inches and is designed to replace OEM parts 52079331 and 55111074AA. It fits select different models such as the Pacifica, Compass, Grand Caravan, and 1500 Classic. Please review the fitment chart below before purchasing
  • Easy to Use: The coolant cap is simple to install and remove. Drivers just need to take off the old cap, check or refill the coolant if needed, and then tighten the new cap securely. Its intuitive design helps make coolant maintenance faster, cleaner, and more accessible for most users
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#9 Top Pick
52079331 Coolant Tank Overflow Bottle Cap, Impact Scratch Corrosive Resistants, Easy Install Compatible with Wranglers (TJ), Cherokee (XJ), (ZJ), All

52079331 Coolant Tank Overflow Bottle Cap, Impact Scratch Corrosive Resistants, Easy Install Compatible with Wranglers (TJ), Cherokee (XJ), (ZJ), All

Brand: YDuupxe
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  • [Easy Installation] : With excellent craftsmanship, this coolant recovery bottle cap can be easily and securely installed, providing a stable performance.
  • [Highly Sturdy] : The coolant tank overflow bottle cap is made of abs material, ensuring durability and longevity for your car.
  • [Corrosive Resistants] : Made with corrosive-resistants materials, this cap prevents rusts and ensures optimal functioning of your cooling system.
  • [Impact and Scratch Resistants] : This cap is highly resistants, protecting your coolant system from impact and scratches, ensuring a long service life.
  • [Great Fit] : Designed as a suitable replacement for various modelings, this cap is easy to install and perfectly matches the original car.
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#10 Top Pick
YINETTECH 2Pcs Coolant Recovery Tank Cap Compatible with Honda Compatible with Civic 19102-PM5-A00 19102PM5A00 Water Tank Sub-Bottle Cap Fill Cap

YINETTECH 2Pcs Coolant Recovery Tank Cap Compatible with Honda Compatible with Civic 19102-PM5-A00 19102PM5A00 Water Tank Sub-Bottle Cap Fill Cap

Brand: YINETTECH
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  • 1. Perfect Replacement: This Radiator Coolant Reservoir Overflow Tank Cap compatible with Honda Accord Element 1997-2012 models and others.
  • It is compatible with the original part number 19102-PM5-A00, ensuring a precise fit and function.
  • 2. Reliable Performance: Replace your old, leaking, or damaged cap with this high-quality alternative. The hook end securely attaches to the coolant reservoir's overflow hose, preventing any coolant leakage. Installation is quick and easy, taking only minutes to remove the old damaged part and install the new cap.
  • 3. Durable Construction: Crafted from premium materials, this cap is built to last.
  • 4. OE Number: 19102-PM5-A00, 19102PM5A00?
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