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Direct replacement for the Delco CS130 'left mount' alternator used on 1987-1995 GM trucks, SUVs and vans. This is a direct bolt-in upgrade over the factory unit — same mount, same pulley position, no bracket modification.
Vehicles: C1500, K1500, Tahoe, Suburban, Blazer, Astro, S-10
Installation Notes:
This unit comes equipped with a smaller 1.75-inch diameter alternator pulley and will require a slightly shorter drive belt for proper belt tension. Not recommended for sustained use above 5,000 RPM engine speed.
The Elite series offers the highest possible amperage and durability available in a large case alternator. 6 phase technology combined with massive twin rectifier assemblies and 12 diodes makes these alternators totally durable for daily use, while still maintaining 200+ amps at engine idle speeds.
| Name | Model | Engine | Year(s) | Amperage |
|---|---|---|---|---|
| BUICK | Roadmaster | 5.0/5.7 | 91-93 | 370a |
| CHEVROLET | Astro | 4.3 | 87-95 | 370a |
| CHEVROLET | Camaro | 5.0 / 5.7 | 88-92 | 370a |
| CHEVROLET | Full Size Truck/Silverado | 4.3 | 87-95 | 370a |
| CHEVROLET | Full Size Truck/Silverado | 5.0 | 87-95 | 370a |
| CHEVROLET | Full Size Truck/Silverado | 5.7 | 89-95 | 370a |
| CHEVROLET | S-10 / Blazer | 4.3 | 88-95 | 370a |
| CHEVROLET | Suburban | All Gas Engines no 7.4 | 87-95 | 370a |
| CHEVROLET | Tahoe/Full Size Blazer | All Gas Engines no 7.4 | 87-95 | 370a |
| GMC | Full Size Truck / Sierra | 4.3 | 87-95 | 370a |
| GMC | Full Size Truck / Sierra | 5.0 | 87-95 | 370a |
| GMC | Full Size Truck / Sierra | 5.7 | 89-95 | 370a |
| GMC | S-15 | 4.3 | 88-95 | 370a |
| GMC | Safari | 4.3 | 90-93 | 370a |
| GMC | Suburban | All Gas Engines no 7.4 | 87-95 | 370a |
| GMC | Yukon | All Gas Engines no 7.4 | 87-95 | 370a |
| OLDSMOBILE | Bravada | 4.3 | 91-93 | 370a |
| PONTIAC | Firebird | 5.0 / 5.7 | 88-92 | 370a |
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