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Crown Automotive J8124999 Exhaust Manifold for 72-79 Jeep CJ Series w/ 4.2L & 3.8L

Quadratec Part #: 27601-02
Crown Automotive Part #: J8124999
MSRP
$209.99
Discount
-$21.00
In Cart Price
$188.99
Guaranteed Best Price
$188.99
Temporarily
Out of Stock
Description

Direct Replacement Exhaust Manifold: Designed to restore factory exhaust system performance, fitment, and reliability.

CJ Series-Specific Fitment: Engineered for 1972–1979 Jeep CJ Series models equipped with either the 3.8L or 4.2L inline-six engine.

OE-Style Fit and Function: Matches factory mounting locations and exhaust connections for straightforward installation and dependable operation.

Heavy-Duty Cast Construction: Built to withstand extreme exhaust temperatures, repeated heat cycles, and demanding driving conditions.

Restores Proper Exhaust Flow: Helps maintain factory exhaust routing and engine performance while replacing cracked, warped, or leaking original manifolds.

CARB Notice

  • This part is a direct replacement for use on emissions-controlled vehicles.
Details

Restore dependable exhaust system operation in your classic Jeep with the Crown Automotive Exhaust Manifold. Designed as a direct replacement for 1972–1979 Jeep CJ Series models equipped with either the 3.8L or 4.2L inline-six engine, this OE-style manifold provides a reliable solution for replacing damaged, cracked, or worn factory exhaust components while maintaining proper fitment and functionality.

Manufactured from durable cast materials, this exhaust manifold is engineered to endure years of exposure to extreme exhaust temperatures, vibration, and repeated heat cycles. Its precision-fit design matches factory mounting points and exhaust connections, helping simplify installation while restoring proper exhaust flow and engine efficiency. Whether you're completing a restoration, repairing an exhaust leak, or replacing an aging manifold, the Crown Automotive Exhaust Manifold delivers the fit, durability, and reliability needed to keep your classic CJ performing as intended.

Fitment:
  • CJ-5 (1972-1974) w/ 3.8L engine; without Emissions Pump.
  • CJ-6 (1972-1974) w/ 3.8L engine; without Emissions Pump.
  • CJ-5 (1975-1978) w/ 3.8L engine.
  • CJ-6 (1975) w/ 3.8L engine.
  • CJ-7 (1976-1978) w/ 3.8L engine.
  • CJ-5 (1972-1974) w/ 4.2L engine; without Emissions Pump.
  • CJ-5 (1975-1979) w/ 4.2L engine.
  • CJ-6 (1972-1974) w/ 4.2L engine; without Emissions Pump.
  • CJ-6 (1975) w/ 4.2L engine.
  • CJ-7 (1976-1979) w/ 4.2L engine.
  • SJ & J-Series (1972-1974) w/ 4.2L engine; without Emissions Pump.
  • SJ & J-Series (1975-1979) w/ 4.2L engine.
  • Installation Notes
    Installation Difficulty:
    Skill Level 3 IconLevel 3Advanced
    Installation Time: 2-4 hours
    Parts Included

    Exhaust Manifold

    Warranty
    12 Month / 12,000 Mile Warranty
    • Color: Raw Steel
    • Motor: 6cyl 4.0L, 258c.i.
    • Material: Steel
    • Shipping Weight: 29lb
    • Shipping Dimensions: 29in x 14in x 9in (L x W x H)
    • Jeep CJ-5

    • 1979 Jeep CJ-5
    • 1978 Jeep CJ-5
    • 1977 Jeep CJ-5
    • 1976 Jeep CJ-5
    • 1975 Jeep CJ-5
    • 1974 Jeep CJ-5
    • 1973 Jeep CJ-5
    • 1972 Jeep CJ-5
    • Jeep CJ-6

    • 1975 Jeep CJ-6
    • 1974 Jeep CJ-6
    • 1973 Jeep CJ-6
    • 1972 Jeep CJ-6
    • Jeep CJ-7

    • 1979 Jeep CJ-7
    • 1978 Jeep CJ-7
    • 1977 Jeep CJ-7
    • 1976 Jeep CJ-7
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