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1978 Jeep J20 Engine Parts

Save up to 40% on original replacement 1978 Jeep J20 maintenance and repair parts. Over 900 high-quality, direct-fit parts for a 1978 Jeep J20, offered by well-known brands such as DORMAN, SEALED POWER, BWD. Find Brakes, Engine, Suspension, and many more truck parts with our easy-to-use online catalogue.
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$11.43
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); Use: Timing Cover; Use w/installation tool;
$11.43
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); Use: Timing Cover; Use w/installation tool;
$52.07
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); Use: Timing Cover;
$52.07
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); Use: Timing Cover;
$4.33
$2.00
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); 5 1/32" ID;
$4.33
$2.00
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); 5 1/32" ID;
$31.06
$26.32
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4);
$31.06
$26.32
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5);
$16.84
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); Type: Main Seal Set; Rubber; Two-piece;
$16.84
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); Type: Main Seal Set; Rubber; Two-piece;
$174.25
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); Int. manifold gskt. & exh. pipe flange not incl.; Premium valve stem seals incl.;
$174.25
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); Int. manifold gskt. & exh. pipe flange not incl.; Premium valve stem seals incl.;
$138.24
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); Int. manifold gskt. & exh. pipe flange not incl.; Premium valve stem seals incl.;
$138.24
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); Int. manifold gskt. & exh. pipe flange not incl.; Premium valve stem seals incl.;
$103.59
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); Type: Kit Gasket Set; Int. manifold gskt. not incl.; Premium valve stem seals incl.;
$103.59
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); Type: Kit Gasket Set; Int. manifold gskt. not incl.; Premium valve stem seals incl.;
$16.40
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4);
$16.40
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5);
$43.27
$33.84
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4);
$43.27
$33.84
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5);
$17.96
$15.38
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4);
$17.96
$15.38
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5);
$22.79
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); Premium valve stem seals incl.;
$22.79
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); Premium valve stem seals incl.;
$23.04
$19.94
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); w/o Sleeve 'N' Seal;
$23.04
$19.94
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); w/o Sleeve 'N' Seal;
$34.34
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); Type: Timing Cover Set w/Sleeve; w/Sleeve 'N' Seal;
$34.34
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); Type: Timing Cover Set w/Sleeve; w/Sleeve 'N' Seal;
$20.67
$12.75
In Stock
Brand: Fram
Quantity Required: 1
Condition: New
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); Spin-on Oil Filter; If space is not restricted;
$20.67
$12.75
In Stock
Brand: Fram
Quantity Required: 1
Condition: New
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); Spin-on Oil Filter; If space is not restricted;
$18.72
$11.55
In Stock
Brand: Fram
Quantity Required: 1
Condition: New
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); Spin-on Oil Filter; If space is restricted;
$11.88
In Stock
Brand: SKF
Quantity Required: 1
Condition: New
2 Year Warranty.
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4);
$11.88
In Stock
Brand: SKF
Quantity Required: 1
Condition: New
2 Year Warranty.
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5);
$40.22
In Stock
Brand: SKF
Quantity Required: 1
Condition: New
2 Year Warranty.
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4);
$40.22
In Stock
Brand: SKF
Quantity Required: 1
Condition: New
2 Year Warranty.
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5);
$21.25
$18.15
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); Cork; Improved design;
$21.25
$18.15
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5); Cork; Improved design;
$28.64
$16.30
In Stock
Brand: Timken
Quantity Required: 1
Condition: New
3 Year Warranty.
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4);
$28.64
$16.30
In Stock
Brand: Timken
Quantity Required: 1
Condition: New
3 Year Warranty.
Vehicle fitment:
Engine Base: 6.6L 401ci V8 (4.17x3.68; 105.9x93.5);
$79.64
$41.83
In Stock
Brand: Timken
Quantity Required: 1
Condition: New
3 Year Warranty.
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.08x3.44; 103.6x87.4); Optional Repair Sleeve;