OEM / REF: 1W-6539SKU: pilotpart222536
Pump Group Fuel Injection 1W-6539 For Caterpillar Compactor 815B 816B is a Injectors & Nozzle replacement part indexed for Caterpillar 815B and Caterpillar 816B. Match OEM part number 1W-6539 and confirm fitment for Caterpillar Engine Spare Parts before ordering.
This Injectors & Nozzle is indexed for Caterpillar 815B; Caterpillar 816B. Compare reference number 1W-6539 against the label on your existing Caterpillar component before ordering.
Before checkout, compare OEM part number 1W-6539, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.
| Width | 40.64mm |
|---|---|
| Length | 182.88mm |
| Height | 40.64mm |
| Part Number | 1W-6539, 1W6539 |
Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.
Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.
Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.
