1989 GMC R2500 Engine Harmonic Balancers
Save up to 40% on original replacement 1989 GMC R2500 Engine Harmonic Balancers. Navigate our online catalogue to find Engine Harmonic Balancers and other parts designed specifically to fit a 1989 GMC R2500.






Engine Harmonic Balancer
$114.95
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:
Direct Replacement
Direct Replacement





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
$159.89
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0); Fuel Type: DIESEL;
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0); Fuel Type: DIESEL;
Vehicle Fitment Notes:
Balancer Direct Replacement
Balancer 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
$88.92
$76.89
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
$293.08
$253.40
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
$197.76
$170.97
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
$701.14
$534.48
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);







Engine Harmonic Balancer
$163.92
$146.40
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);







Engine Harmonic Balancer
$254.71
$220.23
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:
Fine Threaded Pulley Bolt Holes
Fine Threaded Pulley Bolt Holes




Engine Harmonic Balancer
$135.54
$128.18
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: 102042 ATP Availability: Available to Order Pioneer Number: DA-3502 Pioneer Availability: Available to Order Pioneer Supersession: Replaces DA-3502-HD
Part Type: Solid Outer Diameter: 7.99 in ATP Number: 102042 ATP Availability: Available to Order Pioneer Number: DA-3502 Pioneer Availability: Available to Order Pioneer Supersession: Replaces DA-3502-HD




Engine Harmonic Balancer
$135.54
$128.18
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: 102042 ATP Availability: Available to Order Pioneer Number: DA-3502 Pioneer Availability: Available to Order Pioneer Supersession: Replaces DA-3502-HD 7.99" Dia. Heavy Duty Harmonic Balancer
Part Type: Solid Outer Diameter: 7.99 in ATP Number: 102042 ATP Availability: Available to Order Pioneer Number: DA-3502 Pioneer Availability: Available to Order Pioneer Supersession: Replaces DA-3502-HD 7.99" Dia. Heavy Duty Harmonic Balancer




Engine Harmonic Balancer
$135.54
$128.18
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: 102042 ATP Availability: Available to Order Pioneer Number: DA-3502 Pioneer Availability: Available to Order Pioneer Supersession: Replaces DA-3502-HD Small Block
Part Type: Solid Outer Diameter: 7.99 in ATP Number: 102042 ATP Availability: Available to Order Pioneer Number: DA-3502 Pioneer Availability: Available to Order Pioneer Supersession: Replaces DA-3502-HD Small Block




Engine Harmonic Balancer
$165.89
$160.13
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Engine Designation: L19; Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS; Sub-Model: Base; Valves: 16;
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Engine Designation: L19; Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS; Sub-Model: Base; Valves: 16;
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:
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Engine Designation: L19; Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS; Sub-Model: High Sierra; Valves: 16;
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Engine Designation: L19; Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS; Sub-Model: High Sierra; Valves: 16;
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:
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Engine Designation: L19; Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS; Sub-Model: Sierra Classic; Valves: 16;
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Engine Designation: L19; Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS; Sub-Model: Sierra Classic; Valves: 16;
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 Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
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
$234.08
$169.17
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
Part Type: Solid Outer Diameter: 7.93 in ATP Number: 102059 ATP Availability: Available to Order Pioneer Number: DA-3790 Pioneer Availability: Available to Order
Part Type: Solid Outer Diameter: 7.93 in ATP Number: 102059 ATP Availability: Available to Order Pioneer Number: DA-3790 Pioneer Availability: Available to Order





Engine Harmonic Balancer
$150.69
$176.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Korea
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
Part Type: Serpentine Outer Diameter: 7.795 in ATP Number: 102106 ATP Availability: Available to Order Pioneer Number: DA-3955 Pioneer Availability: Available to Order
Part Type: Serpentine Outer Diameter: 7.795 in ATP Number: 102106 ATP Availability: Available to Order Pioneer Number: DA-3955 Pioneer Availability: Available to Order





Engine Harmonic Balancer
$150.69
$176.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Korea
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
Part Type: Serpentine Outer Diameter: 7.795 in ATP Number: 102106 ATP Availability: Available to Order Pioneer Number: DA-3955 Pioneer Availability: Available to Order Serpentine Belt Pulley; 7.731 in Dia.
Part Type: Serpentine Outer Diameter: 7.795 in ATP Number: 102106 ATP Availability: Available to Order Pioneer Number: DA-3955 Pioneer Availability: Available to Order Serpentine Belt Pulley; 7.731 in Dia.





Engine Harmonic Balancer
$776.58
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: 7.96 in Position Related Information: TDC Mark Is Located 13 Degrees From Key-Way ATP Number: 102311 ATP Availability: Available to Order Pioneer Number: 872023 Pioneer Availability: Available to Order ATP: LifeCycle Change Log: Went from 9 (Obsolete) to 2 (Available to Order) Pioneer: Discontinuation / supersession date: 2023-12-19 Pioneer: Obsolete On: 2025-12-19 Pioneer: LifeCycle Change Log: Went from 2 (Available to Order) to 8 (Discontinued)
Part Type: Solid Outer Diameter: 7.96 in Position Related Information: TDC Mark Is Located 13 Degrees From Key-Way ATP Number: 102311 ATP Availability: Available to Order Pioneer Number: 872023 Pioneer Availability: Available to Order ATP: LifeCycle Change Log: Went from 9 (Obsolete) to 2 (Available to Order) Pioneer: Discontinuation / supersession date: 2023-12-19 Pioneer: Obsolete On: 2025-12-19 Pioneer: LifeCycle Change Log: Went from 2 (Available to Order) to 8 (Discontinued)





Engine Harmonic Balancer
$776.58
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
$243.78
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:
Racing Version
Racing Version





Engine Harmonic Balancer
$243.78
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:
Racing Version Sell Until Depleted
Racing Version Sell Until Depleted





Engine Harmonic Balancer
$175.13
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:
Sell Until Depleted Street Version
Sell Until Depleted Street Version





Engine Harmonic Balancer
$175.13
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:
Street Version
Street 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:
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
$547.20
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0); Fuel Type: DIESEL;
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0); Fuel Type: DIESEL;
Vehicle Fitment Notes:
Balancer Diesel Performance Version
Balancer Diesel Performance Version