1978 GMC K25 Engine Expansion Plugs
Save up to 40% on original replacement 1978 GMC K25 Engine Expansion Plugs. Navigate our online catalogue to find Engine Expansion Plugs and other parts designed specifically to fit a 1978 GMC K25.
Engine Expansion Plug
$22.30
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3);
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel 1.625 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$22.30
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel 1.625 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$22.30
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel 1.625 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$22.30
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel 1.625 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$22.30
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5);
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel 1.625 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$22.30
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel 1.625 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$3.07
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3);
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Steel 1.625 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
$3.07
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Steel 1.625 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
$3.07
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Steel 1.625 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
$3.07
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Steel 1.625 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
$3.07
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5);
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Steel 1.625 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
$3.07
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Steel 1.625 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
$18.71
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Steel 1.75 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel 1.75 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug - Rear
$22.82
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3);
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3);
Vehicle Fitment Notes:
Steel 1 Required Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel 1 Required Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug - Rear
$22.82
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Steel 1 Required Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel 1 Required Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug - Rear
$22.82
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Steel 1 Required Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Steel 1 Required Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$1.02
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Steel 1.75 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Steel 1.75 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3);
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Steel 1.625 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Steel 1.625 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Steel 1.625 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Steel 1.625 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5);
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Steel 1.625 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Steel 1.625 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Steel 1.625 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag