1978 GMC K15 Suburban Engine Harmonic Balancers
Save up to 40% on original replacement 1978 GMC K15 Suburban Engine Harmonic Balancers. Navigate our online catalogue to find Engine Harmonic Balancers and other parts designed specifically to fit a 1978 GMC K15 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
$140.58
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:
Direct Replacement
Direct Replacement







Engine Harmonic Balancer
$101.10
$87.43
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);





Engine Harmonic Balancer
$395.53
$341.97
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);







Engine Harmonic Balancer
$225.10
$194.63
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);







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
$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 Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3);
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 Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
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 Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
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
$134.49
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:
W/ Counterweight Part Type: Solid Outer Diameter: 8 in ATP Number: 102045 ATP Availability: Available to Order Pioneer Number: DA-400 Pioneer Availability: Available to Order
W/ Counterweight Part Type: Solid Outer Diameter: 8 in ATP Number: 102045 ATP Availability: Available to Order Pioneer Number: DA-400 Pioneer Availability: Available to Order





Engine Harmonic Balancer
$150.69
$134.49
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:
W/ Counterweight Part Type: Solid Outer Diameter: 8 in ATP Number: 102045 ATP Availability: Available to Order Pioneer Number: DA-400 Pioneer Availability: Available to Order Externally Balanced Eng.
W/ Counterweight Part Type: Solid Outer Diameter: 8 in ATP Number: 102045 ATP Availability: Available to Order Pioneer Number: DA-400 Pioneer Availability: Available to Order Externally Balanced Eng.




Engine Harmonic Balancer
$459.92
$507.83
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:
ATP Number: 102046 ATP Availability: Available to Order Pioneer Number: N/A Pioneer Availability: N/A ATP: LifeCycle Ticket Log: JNP-9166
ATP Number: 102046 ATP Availability: Available to Order Pioneer Number: N/A Pioneer Availability: N/A ATP: LifeCycle Ticket Log: JNP-9166




Engine Harmonic Balancer
$459.92
$507.83
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:
ATP Number: 102046 ATP Availability: Available to Order Pioneer Number: N/A Pioneer Availability: N/A ATP: LifeCycle Ticket Log: JNP-9166 Externally Balanced Eng.
ATP Number: 102046 ATP Availability: Available to Order Pioneer Number: N/A Pioneer Availability: N/A ATP: LifeCycle Ticket Log: JNP-9166 Externally Balanced Eng.




Engine Harmonic Balancer
$459.92
$507.83
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:
ATP Number: 102046 ATP Availability: Discontinued Pioneer Number: N/A Pioneer Availability: N/A ATP: Discontinuation / supersession date: 2024-11-04 ATP: Obsolete On: 2026-11-04 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-9166; JNP-37585
ATP Number: 102046 ATP Availability: Discontinued Pioneer Number: N/A Pioneer Availability: N/A ATP: Discontinuation / supersession date: 2024-11-04 ATP: Obsolete On: 2026-11-04 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-9166; JNP-37585

Engine Harmonic Balancer
$562.97
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:
W/ Counterweight Balancer Part Type: Solid Outer Diameter: 8 in ATP Number: 102293 ATP Availability: Discontinued Pioneer Number: 872004 Pioneer Availability: Available to Order ATP: Discontinuation / supersession date: 11/24/20 ATP: Obsolete On: 11/24/22 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-18368
W/ Counterweight Balancer Part Type: Solid Outer Diameter: 8 in ATP Number: 102293 ATP Availability: Discontinued Pioneer Number: 872004 Pioneer Availability: Available to Order ATP: Discontinuation / supersession date: 11/24/20 ATP: Obsolete On: 11/24/22 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-18368

Engine Harmonic Balancer
$562.97
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:
W/ Counterweight Balancer Part Type: Solid Outer Diameter: 8 in ATP Number: 102293 ATP Availability: Discontinued Pioneer Number: 872004 Pioneer Availability: Available to Order ATP: Discontinuation / supersession date: 11/24/20 ATP: Obsolete On: 11/24/22 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-18368 Externally Balanced Eng.
W/ Counterweight Balancer Part Type: Solid Outer Diameter: 8 in ATP Number: 102293 ATP Availability: Discontinued Pioneer Number: 872004 Pioneer Availability: Available to Order ATP: Discontinuation / supersession date: 11/24/20 ATP: Obsolete On: 11/24/22 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-18368 Externally Balanced Eng.

Engine Harmonic Balancer
$562.97
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:
W/ Counterweight Balancer Part Type: Solid Outer Diameter: 8 in ATP Number: 102293 ATP Availability: Discontinued Pioneer Number: 872004 Pioneer Availability: Available to Order ATP: Discontinuation / supersession date: 2020-11-24 ATP: Obsolete On: 2022-11-24 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-18368
W/ Counterweight Balancer Part Type: Solid Outer Diameter: 8 in ATP Number: 102293 ATP Availability: Discontinued Pioneer Number: 872004 Pioneer Availability: Available to Order ATP: Discontinuation / supersession date: 2020-11-24 ATP: Obsolete On: 2022-11-24 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-18368

Engine Harmonic Balancer
$854.01
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:
W/ Counterweight Part Type: Solid Outer Diameter: 8 in ATP Number: 102314 ATP Availability: Discontinued Pioneer Number: 872024 Pioneer Availability: Available to Order ATP: Discontinuation / supersession date: 11/24/20 ATP: Obsolete On: 11/24/22 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-18368
W/ Counterweight Part Type: Solid Outer Diameter: 8 in ATP Number: 102314 ATP Availability: Discontinued Pioneer Number: 872024 Pioneer Availability: Available to Order ATP: Discontinuation / supersession date: 11/24/20 ATP: Obsolete On: 11/24/22 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-18368

Engine Harmonic Balancer
$854.01
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:
W/ Counterweight Part Type: Solid Outer Diameter: 8 in ATP Number: 102314 ATP Availability: Discontinued Pioneer Number: 872024 Pioneer Availability: Available to Order ATP: Discontinuation / supersession date: 2020-11-24 ATP: Obsolete On: 2022-11-24 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-18368
W/ Counterweight Part Type: Solid Outer Diameter: 8 in ATP Number: 102314 ATP Availability: Discontinued Pioneer Number: 872024 Pioneer Availability: Available to Order ATP: Discontinuation / supersession date: 2020-11-24 ATP: Obsolete On: 2022-11-24 ATP: LifeCycle Change Log: Available to Order -> Discontinued ATP: LifeCycle Ticket Log: JNP-18368





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





Engine Harmonic Balancer
$350.31
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:
Racing Version
Racing Version





Engine Harmonic Balancer
$350.31
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:
Racing Version Sell Until Depleted
Racing Version Sell Until Depleted





Engine Harmonic Balancer
$369.43
Out of Stock
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);
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5);
Vehicle Fitment Notes:
10% Underdrive Racing Version
10% Underdrive Racing Version





Engine Harmonic Balancer
$369.43
Out of Stock
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);
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5);
Vehicle Fitment Notes:
10% Underdrive Racing Version Sell Until Depleted
10% Underdrive Racing Version Sell Until Depleted





Engine Harmonic Balancer
$187.24
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:
Street Version
Street Version