REMAN OEM 1995-2000 Chevy GMC 6.5 Diesel Fuel Injection Pump DS4-5521 DS-5521

## OEM 1995-2000 Chevy GMC 6.5L Diesel Injection Pump DS4-5521 Reman Genuine **OEM Stanadyne DS4 electronic injection pump** for **6.5L turbo diesel** applications. Part number **DS4-5521**. This is a **remanufactured red tag unit**, not a blue tag unit. Direct replacement for matching part number or verified interchange part number units. **Photos show the exact pump you will receive**. * * * ### Item Highlights - Genuine **OEM Stanadyne** injection pump - For **6.5L turbo diesel** engines - Part number: **DS4-5521** - **Remanufactured red tag unit** - **Not a blue tag unit** ### Part Numbers & Details **Primary OEM Part Number**DS4-5521**Verified Interchange Part Numbers** DS4831 DS4-5521DR 5521DR 21-6001 IJP-100883 **Manufacturer**Stanadyne**Component Type**Electronic Injection Pump (DS4)**Type**Remanufactured Red Tag Unit ### Fitment & Compatibility Fitment verified by **DS4-5521** part number. - 1995-2000 Chevy **C/K 2500 / 3500** — 6.5L diesel - 1995-2000 GMC **C/K 2500 / 3500** — 6.5L diesel - 1995-2000 Chevy **Suburban 2500** — 6.5L diesel - 1995-2000 GMC **Suburban 2500** — 6.5L diesel Buyer must match **part number and pump type**. This is a **DS4 electronic injection pump**. Buyer responsible for confirming compatibility by **VIN**. ### Programming Notice Some components may require calibration, setup, or relearn procedures after installation. Professional installation is recommended. ### Condition - Used OEM remanufactured injection pump - **Red tag reman unit** - **Not a blue tag unit** - Normal wear from use, storage, or reman handling may be present - Please review photos for exact condition ### Details & Specifications **Brand**Stanadyne OEM**Component Type**Electronic Injection Pump**Part Number**DS4-5521**Search Keywords** DS4-5521, DS45521, DS4831, DS4-5521DR, 5521DR, 21-6001, IJP-100883, Stanadyne 5521 pump, GM 6.5 diesel injection pump, Chevy GMC 6.5 DS4 pump, red tag injection pump, reman 6.5 diesel pump ### Shipping - Ships from **Harrison Township, Michigan** - Packed securely to protect during transit - Tracking provided once shipped ### Returns & Terms - Returns accepted within **30 days** - Returns for reasons other than INAD are subject to a **50% restocking fee** - Buyer responsible for fitment Sold by **qualityautopartsforless** – genuine OEM auto parts at competitive prices

• Brand: Stanadyne
• Type: Fuel Injector Pump
• Interchange Part Number: OEM
• OE/OEM Part Number: DS4 831-5521, 12561307, 10074258
• Items Included: N/A, As Shown
• Voltage: 12 V
• Manufacturer Part Number: DS4 831-5521
• Drive Type: Electrical
• Vintage Part: No
• Universal Fitment: No
• Fuel Type: Diesel
• Performance Part: No