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Walker Exhaust 15637 Catalytic Converter for 87-90 Jeep Wrangler YJ with 4.2L Engine & 84-85 Cherokee XJ with 2.5L Engine

Quadratec Part #: 51401-01
Walker Exhaust Part #: 15637
In Cart Price
$241.99
Guaranteed Best Price
$241.99
Ships from 3rd Party
Usually Ships in 1-2 weeks
Description

OE-Style Catalytic Converter Replacement: Designed to restore proper exhaust system operation and emissions performance for factory-equipped Jeep applications.

Direct-Fit Installation: Engineered to integrate with original exhaust routing and factory connection points for simplified replacement.

Supports Efficient Exhaust Flow: Helps maintain proper engine operation, drivability, and overall exhaust system efficiency.

Durable Aluminized Steel Construction: Built to withstand high exhaust temperatures, vibration, and demanding driving conditions.

Multi-Vehicle Jeep Compatibility: Designed for 1987–1990 Jeep Wrangler YJ models with the 4.2L engine and 1984–1985 Jeep Cherokee XJ models with the 2.5L engine.

CARB Notice

  • Legal in California, or other states adopting California emissions standards, only for racing vehicles that may never be used, registered or licensed for use, upon a highway. Can not be shipped to California residents.
Details

Restore dependable exhaust system performance with the Walker Catalytic Converter. Designed for 1987–1990 Jeep Wrangler YJ models equipped with the 4.2L engine and 1984–1985 Jeep Cherokee XJ models equipped with the 2.5L engine, this direct-fit replacement catalytic converter provides a reliable solution for replacing a worn, damaged, or restricted emissions component while maintaining factory-style functionality.

Manufactured by Walker, one of the most recognized names in exhaust system technology, this catalytic converter is engineered for proper fitment and seamless integration with the original exhaust system. Its durable aluminized steel construction is designed to handle years of exposure to heat, vibration, and harsh operating conditions. By helping restore proper exhaust flow and emissions system performance, the converter supports smooth engine operation and reliable drivability. Whether you're maintaining a classic Jeep or repairing an aging exhaust system, this Walker catalytic converter delivers dependable quality and long-lasting performance.

Installation Notes
Installation Difficulty:
Skill Level 3 IconLevel 3Advanced
Installation Time: 2-3 hours
Parts Included

Catalytic Converter

  • Engine Size: 2.5L I-4, 4.2L 258ci I-6
  • Shipping Weight: 8lb
  • Shipping Dimensions: 25in x 11in x 5in (L x W x H)
  • Jeep Cherokee (XJ)

  • 1985 Jeep Cherokee (XJ)
  • 1984 Jeep Cherokee (XJ)
  • Jeep Wrangler (YJ)

  • 1990 Jeep Wrangler (YJ)
  • 1989 Jeep Wrangler (YJ)
  • 1988 Jeep Wrangler (YJ)
  • 1987 Jeep Wrangler (YJ)
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