OEM Jeep Wrangler Coolant Reservoir Cap

Coolant Overflow Reservoir Cap

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13 Coolant Reservoir Caps found

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Jeep Wrangler Expansion Tank, Front Part Number: 68442532AA
$23.94 MSRP: $35.00
You Save: $11.06 (32%)
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Product Specifications
- Other Name: Cap - Coolant Recovery Bottle; Engine Coolant Reservoir Cap, Front; Engine Coolant Reservoir Cap; Radiator Cap; Reservoir Cap; Cap; Cap Coolant Recovery Bottle
- Position: Front
- Replaces: 68096261AA, 68249136AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2018-2025 Jeep Wrangler | 80th Anniversary, Freedom, Islander, Rubicon, Rubicon X, Sport, Sport S, Unlimited 80th Anniversary, Unlimited Freedom, Unlimited High Altitude, Unlimited High Tide, Unlimited Islander, Unlimited Moab, Unlimited Rubicon, Unlimited Rubicon 392, Unlimited Rubicon X, Unlimited Sahara, Unlimited Sahara Altitude, Unlimited Sport, Unlimited Sport Altitude, Unlimited Sport S, Unlimited Willys, Unlimited Willys Sport, Willys, Willys Sport | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.6 L GAS, 6 Cyl 3.6 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.4 L GAS
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Jeep Wrangler Radiator Cap Part Number: 4596198
$26.22 MSRP: $38.35
You Save: $12.13 (32%)
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Product Specifications
- Other Name: Cap - Radiator; Engine Coolant Reservoir Cap; Reservoir Cap; Recovery Tank Cap; Cap for Coolant Recovery Bottle; Radiator Cap 04596198
- Replaces: 5086226AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2008-2017 Jeep Wrangler | 70th Anniversary, 75th Anniversary, Rubicon, Sahara, Sport, Sport S, Unlimited 70th Anniversary, Unlimited 75th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S, Unlimited X, X, X-S | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS
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Jeep Wrangler Radiator Cap Part Number: 52079880AA
$15.96 MSRP: $23.35
You Save: $7.39 (32%)
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Product Specifications
- Other Name: Cap - Radiator; Cap; Cap Radiator
- Replaces: 4677493AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 1994-1995 Jeep Wrangler | Renegade, Rio Grande, S, SE, Sahara | 4 Cyl 2.5 L GAS, 6 Cyl 4.0 L GAS
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Jeep Wrangler Radiator Cap Part Number: 55116901AA
$15.96 MSRP: $23.35
You Save: $7.39 (32%)
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Product Specifications
- Other Name: Cap - Radiator; Engine Coolant Reservoir Cap; Reservoir Cap; Cap; Cap Radiator
- Replaces: 52079799AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 1997-2007 Jeep Wrangler | 65th Anniversary Edition, Rubicon, Sahara, SE, Sport, Unlimited, Unlimited Rubicon, Unlimited Sahara, Unlimited X, X | 2.4L L4, 2.5L L4, 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS, 4.0L L6, 6 Cyl 3.8 L GAS, 6 Cyl 4.0 L GAS
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Jeep Wrangler Radiator Cap Part Number: 55056382AA
$24.85 MSRP: $36.40
You Save: $11.55 (32%)
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Product Specifications
- Other Name: Cap - Coolant Recovery Bottle; Engine Coolant Reservoir Cap; Reservoir Cap; Filler Cap; Recovery Tank Cap; Cap; Cap Coolant Recovery Bottle
- Replaces: 5174456AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2007-2017 Jeep Wrangler | 70th Anniversary, 75th Anniversary, Rubicon, Sahara, Sport, Sport S, Unlimited 70th Anniversary, Unlimited 75th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S, Unlimited X, X, X-S | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS
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Jeep Wrangler Reservoir Cap Part Number: 68490271AA
$14.59 MSRP: $21.40
You Save: $6.81 (32%)
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Product Specifications
- Other Name: Cap - Low Temperature Coolant Bot; Engine Coolant Reservoir Cap; Radiator Cap; Cap
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2021-2025 Jeep Wrangler | Freedom, Rubicon, Rubicon X, Sport, Sport S, Unlimited Freedom, Unlimited High Altitude, Unlimited High Altitude 4xe, Unlimited Rubicon, Unlimited Rubicon 4xe, Unlimited Rubicon X, Unlimited Rubicon X 4xe, Unlimited Sahara, Unlimited Sahara 4xe, Unlimited Sahara Altitude, Unlimited Sport, Unlimited Sport Altitude, Unlimited Sport S, Unlimited Sport S 4xe, Unlimited Willys, Unlimited Willys 4xe, Unlimited Willys Sport, Willys, Willys Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Jeep Wrangler Reservoir Cap Part Number: 68388115AB
$15.68 MSRP: $22.95
You Save: $7.27 (32%)
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Product Specifications
- Other Name: Cap - Coolant Recovery Bottle; Engine Coolant Reservoir Cap; Radiator Cap; Cap; Cap Coolant Recovery Bottle
- Replaces: 68388115AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2018-2025 Jeep Wrangler | 80th Anniversary, Freedom, Islander, Rubicon, Rubicon X, Sport, Sport S, Unlimited 80th Anniversary, Unlimited Freedom, Unlimited High Altitude, Unlimited High Altitude 4xe, Unlimited Islander, Unlimited Rubicon, Unlimited Rubicon 4xe, Unlimited Rubicon X, Unlimited Rubicon X 4xe, Unlimited Sahara, Unlimited Sahara 4xe, Unlimited Sahara Altitude, Unlimited Sport, Unlimited Sport Altitude, Unlimited Sport S, Unlimited Sport S 4xe, Unlimited Willys, Unlimited Willys 4xe, Unlimited Willys Sport, Willys, Willys Sport | 2.0L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Jeep Wrangler Reservoir Cap, Front Part Number: 55077261AA
$19.20 MSRP: $27.70
You Save: $8.50 (31%)
Product Specifications
- Other Name: Cap - Washer Reservoir; Washer Fluid Reservoir Cap, Front; Engine Coolant Reservoir Cap; Windshield Washer Reservoir Cap; Cap; Cap Washer Reservoir
- Position: Front
- Replaces: 68018915AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2007-2017 Jeep Wrangler | 70th Anniversary, 75th Anniversary, Rubicon, Sahara, Sport, Sport S, Unlimited 70th Anniversary, Unlimited 75th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S, Unlimited X, X | 3.8L V6, 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS
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Jeep Wrangler Reservoir Cap Part Number: 52079331
Product Specifications
- Other Name: Cap - Coolant Recovery Bottle; Engine Coolant Reservoir Cap; Radiator Cap; Recovery Tank Cap; Cap; Cap Coolant Recovery Bottle; Cap Coolant Reserve Tank
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 1997-2006 Jeep Wrangler | 65th Anniversary Edition, Rubicon, SE, Sahara, Sport, Unlimited, Unlimited Rubicon, X | 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 4.0 L GAS
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Jeep Wrangler Radiator Cap Part Number: J3239375
Product Specifications
- Other Name: Cap - Radiator; Cap, Radiator
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 1987-1993 Jeep Wrangler | Base, Islander, Laredo, Renegade, S, Sahara, Sport | 4 Cyl 2.5 L GAS, 6 Cyl 4.0 L GAS, 6 Cyl 4.2 L GAS
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Jeep Wrangler Expansion Tank Part Number: 68290247AA
$26.45 MSRP: $38.00
You Save: $11.55 (31%)
Product Specifications
- Other Name: Cap - Low Temperature Coolant Bot; Drive Motor Inverter Reservoir Cap; Engine Coolant Cap; Radiator Cap; Reservoir Cap; Cap; Cap Coolant Recovery Bottle
- Replaces: 68272801AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2018-2023 Jeep Wrangler | 80th Anniversary, Freedom, Islander, Rubicon, Sport, Sport S, Unlimited 80th Anniversary, Unlimited Freedom, Unlimited High Altitude, Unlimited High Tide, Unlimited Islander, Unlimited Moab, Unlimited Rubicon, Unlimited Sahara, Unlimited Sahara Altitude, Unlimited Sport, Unlimited Sport Altitude, Unlimited Sport S, Unlimited Willys, Unlimited Willys Sport, Willys, Willys Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L GAS, 6 Cyl 3.6 L MILD HYBRID EV-GAS (MHEV)
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Jeep Wrangler Cap Part Number: J3223202
Product Specifications
- Other Name: Cap - Coolant Recovery Bottle; Cap, Coolant Bottle
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 1987-1995 Jeep Wrangler | Base, Islander, Laredo, Renegade, Rio Grande, S, SE, Sahara, Sport | 4 Cyl 2.5 L GAS, 6 Cyl 4.0 L GAS, 6 Cyl 4.2 L GAS
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Jeep Wrangler Radiator Cap Part Number: J3239375AB
Product Specifications
- Other Name: Cap - Radiator; Cap
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 1987-1993 Jeep Wrangler | Base, Islander, Laredo, Renegade, S, Sahara, Sport | 4 Cyl 2.5 L GAS, 6 Cyl 4.0 L GAS, 6 Cyl 4.2 L GAS

Jeep Wrangler Coolant Reservoir Cap

Choose OEM Coolant Reservoir Cap that meet Jeep factory standards. Jeep designs and tests every component for precision and durability. Each Coolant Reservoir Cap follows strict manufacturing steps to lock in quality and fit. If your Jeep Wrangler matters to you, OEM parts make the smart choice. You'll get the exact look, feel, and performance you expect. Shop genuine Wrangler parts at the highly competitive prices online. Enjoy a manufacturer's warranty, a hassle-free return policy, and rapid delivery. No more guesswork with off brands. Get genuine parts with exact fit and true factory performance. Shop with confidence today at JeepPartsDeal.com.

The Coolant Reservoir Cap for the Jeep Wrangler keeps the cooling system sealed under the proper pressure, preventing any leakage and protecting the coolant from contamination. The purpose of a Coolant Reservoir Cap is to prevent corrosive air from entering this circuit and thus preserve the quality of the fluid. Furthermore, it safeguards the entire engine while on your next Jeep adventure. Each Coolant Reservoir Cap is constructed from tough plastic or metal and threads securely to the recovery tank to maintain consistent temperatures on and off the trail. The cap makes no difference to the heat. The Jeep Wrangler itself features unique body-on-frame construction, a signature vertical grille, and solid axles that laugh at rocky terrain. Recent changes to the Wrangler introduce a seamless eight-speed automatic gearbox. This gearbox allows for engine options that include a torquey 3.6 liter V6 as well as a thunderous 470 horsepower generating 6.4 liter V8. The coil spring suspension refinement during the era of the TJ has allowed the Wrangler the benefit of better handling without sacrificing articulation. Meanwhile, the plug-in hybrid Wrangler 4xe can crawl silently on pure electric power for 21 miles, proof that Jeep innovation never rests. Jeep components are maintainable owing to stringent controls that allow owners to explore deserts, forests, and snowy highways with confidence. To install a new Coolant Reservoir Cap, allow the engine to cool completely, slowly remove the old cap with a rag, wipe the neck clean, align, and twist the replacement until it seats firmly, top off the fluid, and check for leaks.