*Attention!* This is a B-Stock, Display or Show Product
Mechman B-Stock alternators are factory-refurbished units that may have been lightly used, returned, or reconditioned. They may show minor cosmetic imperfections like scratches or finish blemishes but are fully tested to meet Mechman’s strict performance and reliability standards. These units deliver the same high-output performance as new alternators at a reduced price.
Ships in 3–5 business days (processing). “In Stock” means available in our inventory; it does not mean same-day shipping.
Warranty: B-Stock alternators include a 90-Day Functional Warranty only. Warranty covers performance (not cosmetics or labor), is non-transferable, and all sales are final — no returns or exchanges. An optional extended warranty is available beginning at $49.99.
Restrictions: No Modifications Allowed. No paint, pulley swaps, clocking, harness changes, or regulator upgrades. If customization is required, please purchase a new retail alternator.
Pricing: Standardized B-Stock pricing applies to all orders (web or phone). Not eligible for promotions, dealer/distributor discounts, or codes.
Returns/Warranty page add: B-Stock Alternators: 90-Day Functional Warranty only (performance coverage; cosmetic imperfections and labor are not covered). Warranty is non-transferable. All B-Stock sales are final no returns or exchanges.
The Elite series 250 amp alternator offers great output at idle RPM and excellent durability in a direct-bolt-in package. 6 phase technology, combined with massive twin rectifier assemblies and 12 diodes makes these alternators totally durable for daily use, while still maintaining great output at low RPM. These alternators will make 180 amps at engine idle speeds with a full 250 amp output at cruising speeds. This unit comes with an OEM diameter pulley, making it perfect for high RPM and racing use.
Fitment Table
| Name | Model | Engine | Year(s) |
|---|---|---|---|
| BUICK | Roadmaster | 5.0/5.7 | 91-93 |
| CHEVROLET | Astro | 4.3 | 87-95 |
| CHEVROLET | Camaro | 5.0 / 5.7 | 88-92 |
| CHEVROLET | Full Size Truck/Silverado | 4.3 | 87-95 |
| CHEVROLET | Full Size Truck/Silverado | 5.0 | 87-95 |
| CHEVROLET | Full Size Truck/Silverado | 5.7 | 89-95 |
| CHEVROLET | S-10 / Blazer | 4.3 | 88-95 |
| CHEVROLET | Suburban | All Gas Engines no 7.4 | 87-95 |
| CHEVROLET | Tahoe/Full Size Blazer | All Gas Engines no 7.4 | 87-95 |
| GMC | Full Size Truck / Sierra | 4.3 | 87-95 |
| GMC | Full Size Truck / Sierra | 5.0 | 87-95 |
| GMC | Full Size Truck / Sierra | 5.7 | 89-95 |
| GMC | S-15 | 4.3 | 88-95 |
| GMC | Safari | 4.3 | 90-93 |
| GMC | Suburban | All Gas Engines no 7.4 | 87-95 |
| GMC | Yukon | All Gas Engines no 7.4 | 87-95 |
| OLDSMOBILE | Bravada | 4.3 | 91-93 |
| PONTIAC | Firebird | 5.0 / 5.7 | 88-92 |
