Stanadyne – Roosa Master Remanufactured Fuel Injection Pump DB2-3973E


Out of stock


Application: GM 1981 5.7L GM# 22510360


*This Fuel Injection Pump is out of stock, please call 1-800-256-0395 for current availability or to inquire about rebuilding your Injection Pump.


A Delco Diesel Charge of $250.00 is included on this pump, upon receipt and inspection of core to Delco Diesel Services, Inc. 1100 S. Agnew Ave., Oklahoma City, OK 73108 a refund will be issued for the core charge.


  • If you do not have an acceptable core to return, no refund will be issued.
  • Damaged or unusable cores will not be accepted.
  • If core is damaged beyond repair or unusable the Cost of Return Shipping will be deducted from your refund.
  • Delco Diesel must be returned within 21 days, if longer is needed please contact prior to ordering.
  • Delco Diesel credit will be issued once core is received and looked at by our technician within 14 days.


Additional information

Weight 20 lbs
Dimensions 10 × 10 × 10 in