

| On the GM 6.5L diesel engine with an electronically controlled DS injection pump, two different injection pumps are used in the 1994 model year. Use of the incorrect pump will cause engine performance problems including; slow acceleration, low power, running rough, and smoking. |
DT650004R Injection Pump Applications 1994 heavy duty, pickup truck, van and cab chassis. You need the DT650004R Injection Pump if The eighth digit of the VIN is F and the engine RPO is L65 Note that some of these trucks were modified to use the DT650003R pump by changing the PCM calibration PROM. |
| If your 1994 vehicle does not match the VIN and RPO above then you need a DT650003R Injection Pump |
| Cross Reference Numbers DT650004R Injection Pump GM: 10225929, 1255816, 17800076, 17800113, and 19208316 Stanadyne: DS4831-5068 and DS4831-5941 |
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U.S.A. DOMESTIC Core Policy The price shown includes a refundable $150.00 core deposit which will be refunded if the core(s) are returned within 45 days of purchase. Core Return Procedure: 1) We will send a UPS return tag with your order. 2) Return the core(s) in the box that we shipped your order in within 45 days. 3) Please package the return core(s) the same way we shipped your order. 4) Place the Return Label over the original label. 5) Drop the box off at the shipping company that delivered the package. 6) The core returned must be the same as what you purchased. |
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INTERNATIONAL Core Deposit Policy |