1978 GMC C15 Auto Trans Speedometer Pinion Seals
Save up to 40% on original replacement 1978 GMC C15 Auto Trans Speedometer Pinion Seals. Navigate our online catalogue to find Auto Trans Speedometer Pinion Seals and other parts designed specifically to fit a 1978 GMC C15.
Auto Trans Speedometer Pinion Seal
$6.21
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 Notes:
0.404 Shaft Diameter 0.620 Bore Diameter 0.624 Outside Diameter Seal 0.188 Width
0.404 Shaft Diameter 0.620 Bore Diameter 0.624 Outside Diameter Seal 0.188 Width
Auto Trans Speedometer Pinion Seal
$4.58
$8.36
Limited 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
Made in USA
Vehicle fitment:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Vehicle Fitment Notes:
For Bullet Part Type: Metal Clad Seal Position: Lip Seal - Speedometer Gear Shaft - Speedo Pinion
For Bullet Part Type: Metal Clad Seal Position: Lip Seal - Speedometer Gear Shaft - Speedo Pinion
Auto Trans Speedometer Pinion Seal
$4.58
$8.36
Limited 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
Made in USA
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
Vehicle Fitment Notes:
For Bullet Part Type: Metal Clad Seal Position: Lip Seal - Speedometer Gear Shaft - Speedo Pinion
For Bullet Part Type: Metal Clad Seal Position: Lip Seal - Speedometer Gear Shaft - Speedo Pinion
Auto Trans Speedometer Pinion Seal
$4.58
$8.36
Limited 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
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Vehicle Fitment Notes:
For Bullet Part Type: Metal Clad Seal Position: Lip Seal - Speedometer Gear Shaft - Speedo Pinion
For Bullet Part Type: Metal Clad Seal Position: Lip Seal - Speedometer Gear Shaft - Speedo Pinion
Auto Trans Speedometer Pinion Seal
$4.58
$8.36
Limited 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
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Vehicle Fitment Notes:
For Bullet Part Type: Metal Clad Seal Position: Lip Seal - Speedometer Gear Shaft - Speedo Pinion
For Bullet Part Type: Metal Clad Seal Position: Lip Seal - Speedometer Gear Shaft - Speedo Pinion
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Transmission Code: THM350;
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Transmission Code: THM350;
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM350;
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve
Auto Trans Speedometer Pinion Seal
$4.09
$22.31
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
Made in USA
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM350;
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM350;
Vehicle Fitment Notes:
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Short - Purple Outer Diameter: 2.125" Inner Diameter: 1.875" Position: Speedo Gear Housing - Speedometer Adapter - Sensor - Speedo Driven Gear Sleeve O-Ring - speedo gear housing - short - 2.00" O.D. - purple
Auto Trans Speedometer Pinion Seal
$4.09
$5.86
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Auto Trans Speedometer Pinion Seal
$4.09
$5.86
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Vehicle Fitment Notes:
Driven Gear Sleeve, Large
Driven Gear Sleeve, Large
Auto Trans Speedometer Pinion Seal
$4.09
$5.86
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
Auto Trans Speedometer Pinion Seal
$4.09
$5.86
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
Vehicle Fitment Notes:
Driven Gear Sleeve, Large
Driven Gear Sleeve, Large
Auto Trans Speedometer Pinion Seal
$4.09
$5.86
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Auto Trans Speedometer Pinion Seal
$4.09
$5.86
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Vehicle Fitment Notes:
Driven Gear Sleeve, Large
Driven Gear Sleeve, Large
Auto Trans Speedometer Pinion Seal
$4.09
$5.86
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Auto Trans Speedometer Pinion Seal
$4.09
$5.86
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Vehicle Fitment Notes:
Driven Gear Sleeve, Large
Driven Gear Sleeve, Large