Overview — 7W-7037
Overview
Fuel Injector 7W-7037 is a commonly used spare part in construction machinery. We can supply all the original and replacement part numbers listed below, in stock or available on order — welcome to enquire by part number.
Applicable Models & Applications
These injectors/nozzles suit Caterpillar fuel systems and engine builds, injecting into the cylinder with a repeatable spray pattern at the rated opening pressure. Suitable for the corresponding machine model and configuration — please verify the machine model, serial number and part number match before ordering.
Maintenance & Replacement
Test injector opening pressure and spray pattern when power drops or smoke increases; typical service checks align with the engine's oil service interval, and a pour-out versus pop-test decides whether to service or replace. Early signs it may need attention: Rough idle and a miss that follows one cylinder; A sharp hammering knock under load, which is often a partially stuck needle or dripping tip; A sooty, wet exhaust on one bank while others run clean.
Installation Essentials
Work on a clean machine with the engine off and the relevant system drained or depressurised as required, and confirm the part number against your machine model and serial number before ordering. Fit new copper washers and O-rings, and torque to spec to avoid seat leaks. Use a calibrated pop-test bench to set opening pressure correctly. Verify pintle/needle type against your engine build before ordering. After installation, run the machine and check for leaks, unusual noise or abnormal travel before returning it to service, and retighten where the manual calls for it after the first hours of operation.
Reference Price
The reference price for this Fuel Injector (listed under 7W-7037) is approximately USD 95 – 210 per unit, depending on configuration, quantity and shipping destination. This is an estimate for planning purposes — please confirm current pricing and availability with our sales team before ordering.
Available Part Numbers
- 7W-7037
Also in the Fuel Injector Series
Same-series, real numbers we also supply (always confirm fit and interchange against your machine): 0R-3425, 0R-1748
Buy the right Fuel Injector the first time — Racer Machinery confirms fit against your machine before dispatch and backs every order with inspected, verified parts. Send your part number and model for live stock and pricing.
