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1978 Gmc P25 Engine Parts

Save up to 40% on original replacement 1978 GMC P25 maintenance and repair parts. Over 1,000 high-quality, direct-fit parts for a 1978 GMC P25, offered by well-known brands such as SEALED POWER, DORMAN, ATP. Find Brakes, Engine, Suspension, and many more van parts with our easy-to-use online catalogue.
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$19.73
$8.54
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Use: Timing Cover; Use w/installation tool;
$19.73
$8.54
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Use: Timing Cover; Use w/installation tool;
$52.36
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Use: Timing Cover;
$52.36
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Use: Timing Cover;
$48.60
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Head bolts not incl.; Head bolt replacement recommended; PermaTorque Severe Duty;
$1.61
$1.37
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); 2 5/8" ID;
$4.33
$2.00
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); 5 1/32" ID;
$0.91
$0.76
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
$0.91
$0.76
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
$2.18
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Distributor to oil pump shaft retainer;
$25.00
$21.18
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Head bolts not incl.; Head bolt replacement recommended; PermaTorque;
$30.63
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); HeadSaver;
$27.18
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
$2.34
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Exc. LPG;
$14.93
$12.76
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Type: Main Seal Set; Rubber; Two-piece; Offset double lip; Improved design;
$14.93
$12.76
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Type: Main Seal Set; Rubber; Two-piece; Offset double lip; Improved design;
$16.77
$14.31
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Type: Main Seal Set; Rubber; Two-piece; Double lip;
$16.77
$14.31
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Type: Main Seal Set; Rubber; Two-piece; Double lip;
$35.07
$29.20
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
$47.85
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
$65.42
$30.42
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Use: Valve Cover;
$32.92
$28.32
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Replacement recommended;
$91.23
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Head bolts & 2 17/32" ID exh. pipe packing not incl.; Head bolt replacement recommended;
$116.47
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
$62.52
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Head bolts & 2 17/32" ID exh. pipe packing not incl.; Head bolt replacement recommended;
$71.81
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
$73.78
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Type: Kit Gasket Set; Head bolts not incl.; Head bolt replacement recommended;
$77.41
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Type: Kit Gasket Set;
$18.53
$15.73
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
$12.27
$10.38
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
$15.35
$12.84
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Type: Intake & Exhaust Manifold Gasket Set;
$16.58
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
$79.50
$35.74
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); PermaDryPlus; Oil Pan SnapUps incl.;
$16.88
$14.44
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Cork;
$19.71
$16.86
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Opt. Umbrella seal for use w/O-ring seal;
$17.36
$14.84
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); O-ring;
$17.36
$14.84
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Loc: Int. & Exh.; O-ring;
$21.75
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); w/o Sleeve 'N' Seal;
$24.42
$11.34
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); w/o Sleeve 'N' Seal;
$55.82
$25.36
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Type: Timing Cover Set w/Sleeve; w/Sleeve 'N' Seal;