Search  for anything...

MotoRad ST-18 Safety Lever Radiator Cap Fits Jeep Wrangler 97–17 Grand Cherokee 93–21 Patriot 11-17 Compass 12-17 Liberty 02-13 Dodge Charger 06–23 Journey 09–20 Durango 00–21 Chrysler 300 05–21

Based on 476 reviews
Condition: New
Checking for the best price...
$8.61
Save $3.38 was $11.99

Buy Now, Pay Later


As low as $2 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Saturday, Nov 7
Order within 6 hours and 13 minutes

Available payment plans shown during checkout

Protect Your Purchase

Easy claims online, fast replacements, no fees

Checking for protection plans...

At a glance

Condition
New
Model
ST18
Dimensions
2.85 x 2.25 x 1.5 in
Weight
2.4 oz
Color
Silver
Material
Aluminum, Stainless Steel
Exterior Finish
Machined
In the box
Radiator Cap

Features 3

  • Fits Select JEEP: Wrangler 97-17, Grand Cherokee 93-21, Patriot 11-17, Compass 12-17, Liberty 02-13, Commander 06-10, Wrangler JK 18, Grand Wagoneer 93, TJ 97-06 | PONTIAC: Firebird 93-02, GTO 05-06, Bonneville 04-05 | MITSUBISHI: Raider 06-09 | OLDS: Aurora 01-03 | PLYMOUTH: Neon 00-01, Prowler 99 | GMC: Savana 2500 00-02, 3500 00-02, K3500 00, C3500 00, K2500 00, C2500 00 | EAGLE: Premier 88-92
  • Fits Select DODGE: Charger 06-23, Journey 09-20, Durango 00-21, Challenger 08-21, Nitro 07-11, Avenger 08-14, Dakota 00-12, Magnum 05-08, Caliber 11-12, Stratus 03-06, Neon 03-05, Viper 98-03, Intrepid 02, Monaco 91-92, SX 2 03-05, Ram 1500 02, 11, 2500 99-03, 10-12, 3500 99-03, 08-12, 4000 06-09, 11-12, 4500 08-10, 12, 5500 08-12, C/V 12-13 | CHRYSLER: 300 05-21, 200 11-14, Pacifica 04-08, Sebring 01-10, PT Cruiser 03-09, Cirrus 05-10 | CADILLAC: DeVille 00-05, Eldorado 00-02 | CHEVY: Camaro 93-02, C3500HD 94-02, C3500 94-00, Express 2500 00-02, 3500 00-02, K3500 00, K2500 00, C2500 00
  • Direct OEM replacement for OE numbers: 4596198

Description

MotoRad ST-18 Safety Lever Radiator Cap (Part Number: ST18) Replaces Part: 4596198 Compatible with the Following Vehicles: Fits Select JEEP: Wrangler 97-17, Grand Cherokee 93-21, Patriot 11-17, Compass 12-17, Liberty 02-13, Commander 06-10, Wrangler JK 18, Grand Wagoneer 93, TJ 97-06 | DODGE: Charger 06-23, Journey 09-20, Durango 00-21, Challenger 08-21, Nitro 07-11, Avenger 08-14, Dakota 00-12, Magnum 05-08, Caliber 11-12, Stratus 03-06, Neon 03-05, Viper 98-03, Intrepid 02, Monaco 91-92, SX 2 03-05, Ram 1500 02, 11, 2500 99-03, 10-12, 3500 99-03, 08-12, 4000 06-09, 11-12, 4500 08-10, 12, 5500 08-12, C/V 12-13 | CHRYSLER: 300 05-21, 200 11-14, Pacifica 04-08, Sebring 01-10, PT Cruiser 03-09, Cirrus 05-10 | CADILLAC: DeVille 00-05, Eldorado 00-02 | CHEVY: Camaro 93-02, C3500HD 94-02, C3500 94-00, Express 3500 00-02, K3500 00, K2500 00, C2500 00, Express 2500 00-02 | PONTIAC: Firebird 93-02, GTO 05-06, Bonneville 04-05 | MITSUBISHI: Raider 06-09 | OLDS: Aurora 01-03 | PLYMOUTH: Neon 00-01, Prowler 99 | GMC: Savana 3500 00-02, K3500 00, C3500 00, K2500 00, C2500 00, Savana 2500 00-02 | EAGLE: Premier 88-92

Specs 23

Brand MotoRad
Color Silver
Material Aluminum, Stainless Steel
Exterior Finish Machined
Item dimensions L x W x H 2.85 x 2.25 x 1.5 inches
Brand Name MotoRad
Model Number ST18
Manufacturer Part Number ST18

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Nov 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


Good product
Perfect fit and performance. Replaced my leaking cap for this one
Reviewed in the United States on August 24, 2026 by Raymond L.

Worth the dough replace every year
Good quality as always
Reviewed in the United States on September 2, 2026 by Kelly Keller II

Good quality and fits Jeep Patriot
Fits Jeep Patriot perfectly, good quality, has lasted for a few months so far
Reviewed in the United States on June 8, 2026 by JuanGB

Great Cap!
Works as it should. Can't go wrong with Motorad.
Reviewed in the United States on July 11, 2026 by Imthehink

Easy Installation, but durability might fade
Fits my Jeep Wrangler 3.6L cap perfectly, however I do think after a while the material will deteriorate after a lot of use. For the price and the convenience I will just replace again with the same. Otherwise I'm perfectly happy that nothing leaks from the cap.
Reviewed in the United States on July 6, 2026 by Werner

Flimsy handle.
Release handle feels flimsy. I think of I pulled on it the wrong way it would snap off with little effort. For the price its fine but not high quality.
Reviewed in the United States on June 30, 2026 by Bryan

Tapón de radiador Jeep Grand Cherokee
Marca probada. La recomiendo
Reviewed in the United States on August 29, 2026 by Rafael Rivera

It fit 02’ Jeep Tj
Let’s hope it functions properly.
Reviewed in the United States on March 13, 2026 by myrrha
Checking for best price...