1978 GMC C15 Suburban Engine Harmonic Balancers
Save up to 40% on original replacement 1978 GMC C15 Suburban Engine Harmonic Balancers. Navigate our online catalogue to find Engine Harmonic Balancers and other parts designed specifically to fit a 1978 GMC C15 Suburban.






Engine Harmonic Balancer
$139.92
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);





Engine Harmonic Balancer
$139.92
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 VIN: L;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Engine VIN: L;





Engine Harmonic Balancer
$139.92
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 (4.06x3.39; 103.0x86.0); Engine VIN: Z;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Engine VIN: Z;





Engine Harmonic Balancer
$154.77
Limited 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:
Direct Replacement
Direct Replacement







Engine Harmonic Balancer
$104.37
$90.26
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:
8 In. Diameter, w/Counterweight
8 In. Diameter, w/Counterweight







Engine Harmonic Balancer
$491.63
$401.00
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:
8 In. Diameter, w/Counterweight
8 In. Diameter, w/Counterweight





Engine Harmonic Balancer
$330.10
$285.40
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:
8 In. Diameter, w/Counterweight
8 In. Diameter, w/Counterweight







Engine Harmonic Balancer
$203.90
$176.30
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:
8 In. Diameter, w/Counterweight
8 In. Diameter, w/Counterweight







Engine Harmonic Balancer
$101.29
$87.59
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);







Engine Harmonic Balancer
$101.29
$87.59
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);







Engine Harmonic Balancer
$101.29
$87.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);







Engine Harmonic Balancer
$157.29
$141.93
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);




Engine Harmonic Balancer
$222.68
$126.75
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 VIN: D;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Engine VIN: D;
Vehicle Fitment Notes:
Double V-Belt; Groove Qty. 2 Outer Diameter: 6.75 in ATP Number: 102035 ATP Availability: Available to Order Pioneer Number: DA-2503 Pioneer Availability: Available to Order
Double V-Belt; Groove Qty. 2 Outer Diameter: 6.75 in ATP Number: 102035 ATP Availability: Available to Order Pioneer Number: DA-2503 Pioneer Availability: Available to Order




Engine Harmonic Balancer
$150.69
$139.07
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 VIN: U;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Engine VIN: U;
Vehicle Fitment Notes:
Part Type: Solid Outer Diameter: 7.99 in ATP Number: 102036 ATP Availability: Available to Order Pioneer Number: DA-3504 Pioneer Availability: Available to Order
Part Type: Solid Outer Diameter: 7.99 in ATP Number: 102036 ATP Availability: Available to Order Pioneer Number: DA-3504 Pioneer Availability: Available to Order




Engine Harmonic Balancer
$150.69
$139.07
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 VIN: L;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Engine VIN: L;
Vehicle Fitment Notes:
Part Type: Solid Outer Diameter: 7.99 in ATP Number: 102036 ATP Availability: Available to Order Pioneer Number: DA-3504 Pioneer Availability: Available to Order
Part Type: Solid Outer Diameter: 7.99 in ATP Number: 102036 ATP Availability: Available to Order Pioneer Number: DA-3504 Pioneer Availability: Available to Order




Engine Harmonic Balancer
$165.89
$160.13
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 VIN: S;
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Engine VIN: S;
Vehicle Fitment Notes:
W/ Counterweight Part Type: Solid Outer Diameter: 8 in Inner Diameter: Coarse Threaded Bolt Holes ATP Number: 102049 ATP Availability: Available to Order Pioneer Number: DA-4541 Pioneer Availability: Available to Order
W/ Counterweight Part Type: Solid Outer Diameter: 8 in Inner Diameter: Coarse Threaded Bolt Holes ATP Number: 102049 ATP Availability: Available to Order Pioneer Number: DA-4541 Pioneer Availability: Available to Order




Engine Harmonic Balancer
$165.89
$160.13
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 VIN: S;
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Engine VIN: S;
Vehicle Fitment Notes:
W/ Counterweight Part Type: Solid Outer Diameter: 8 in Inner Diameter: Coarse Threaded Bolt Holes ATP Number: 102049 ATP Availability: Available to Order Pioneer Number: DA-4541 Pioneer Availability: Available to Order Big Block
W/ Counterweight Part Type: Solid Outer Diameter: 8 in Inner Diameter: Coarse Threaded Bolt Holes ATP Number: 102049 ATP Availability: Available to Order Pioneer Number: DA-4541 Pioneer Availability: Available to Order Big Block





Engine Harmonic Balancer
$291.10
Out of Stock
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);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Direct Replacement Supercharger Version
Direct Replacement Supercharger Version





Engine Harmonic Balancer
$291.10
Out of Stock
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);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Sell Until Depleted Supercharger Version
Sell Until Depleted Supercharger Version



Engine Harmonic Balancer
$274.57
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:
Racing Version
Racing Version



Engine Harmonic Balancer
$274.57
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:
Racing Version Sell Until Depleted
Racing Version Sell Until Depleted





Engine Harmonic Balancer
$169.59
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:
Street Version
Street Version





Engine Harmonic Balancer
$130.85
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:
2 Groove Pulley
2 Groove Pulley