Close up Gates 33638 premium composite thermostat gasket material
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Gates 99-04 Jeep Grand Cherokee Thermostat Gasket

Gates
GAT33638
00072053025224
Thermostats
20+ Units In Stock - Ships Next Business Day
$ 0.64
$ 0.64

SKU: GAT33638 | UPC: 0072053025224

Gates 1999-2004 Jeep Grand Cherokee 4.0L & 4.7L Thermostat Gasket

The Gates 33638 is the #1 selling direct-replacement thermostat gasket for every 1999-2004 Jeep Grand Cherokee WJ with 4.0L inline-6 or 4.7L V8 engines. Precision-cut from premium high-temperature material for a perfect leak-free seal every time.

Key Features

Premium Construction: Made from robust, heat-resistant material designed for long-lasting performance under extreme engine temperatures.
OEM Quality: Manufactured to meet or exceed factory specifications for perfect fitment and function.
Leak Protection: Provides a tight, uniform seal to prevent coolant loss and overheating.
Easy Installation: Direct replacement for factory gasket no modification required.
Trusted Brand: Gates is the world’s leading OE supplier of cooling system components.

Specifications

Specification Detail
Part Number 33638
Position Thermostat Housing
Material High-Temp Composite
Engine 4.0L I6 & 4.7L V8
Country of Origin United States
Warranty Limited Lifetime

Product Notes

  • Fits all 1999–2004 Grand Cherokee WJ (Laredo, Limited, Overland, etc.)

Installation Notes

  • Installation Time: Under 30 minutes with basic tools
  • Always replace when installing a new thermostat

This Part Fits

Year Make Model Notes
1999-2004 Jeep Grand Cherokee 4.0L or 4.7L engines

Why Choose Gates?

  • World’s #1 OE cooling system manufacturer
  • Engineered and tested to exceed factory standards
  • Trusted by professional mechanics for over 100 years

Frequently Asked Questions

  • Q: Will this fit 2005+ WK models?
  • A: No, only fits 1999-2004 WJ platform.
  • Q: Is the thermostat included?
  • A: No, gasket only.
  • Q: Can I reuse the old gasket?
  • A: Never reuse always install new for reliable seal.

Shipping & Handling

  • Method: UPS/FedEx Ground
  • Availability: Typically In stock ships same or next business day
  • Packaging: Official Gates retail packaging
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