Caterpillar

Caterpillar C6.6 Fuel Injection Pump | P/N 317-8021

$2,450.00 $2,300.00

Primary Part Number / Also Searched As: 317-8021, 3178021
Brand / Manufacturer: Caterpillar
Applications: Compatibility is confirmed using the original part label and equipment serial number
Condition: New
Programming / Fitment: Mechanical fitment should be matched using your old part label or part number
Send Us Your Old Part Details: Send us a clear photo of your old part label/tag or part number before ordering, and our team will help confirm the correct match.

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Caterpillar C6.6 Fuel Injection Pump | P/N 317-8021

$2,300.00 $2,450.00

Detailed Product Description

Caterpillar C6.6 Fuel Injection Pump | P/N 317-8021 PRODUCT OVERVIEW
Caterpillar C6.6 Fuel Injection Pump | P/N 317-8021 is a diesel fuel injection pump for the Caterpillar C6.6 / Perkins 1106C platform. PART NUMBER AND PRODUCT IDENTITY
Primary Part Number: 317-8021
Product Type: Fuel Injection Pump
Brand / Manufacturer: Caterpillar APPLICATIONS
Exact application can be confirmed from the original part label and equipment serial number
Engine / Equipment Family: Send old unit details for confirmation INSTALLATION / PROGRAMMING NOTES
Fuel pump fitment depends on pump tag, engine serial number, drive configuration, actuator or voltage details, timing setup and fuel system calibration requirements.
Programming / Calibration Status: Mechanical fitment should be matched using your old part label or part number SEND US YOUR OLD PART DETAILS
Send us a clear photo of your old part label/tag or part number before ordering, and our team will help confirm the correct match.
ORDER BENEFITS
FREE worldwide shipping is included with every OrderECM product. Your order is also backed by a 30-day money-back guarantee and a 365-day replacement warranty. FUEL INJECTION PUMP — INSTALLATION AND COMMISSIONING
Fuel injection pump replacement requires precision and cleanliness:
1. Before removal, thoroughly clean the pump mounting area and all fuel line connections
2. Cap all open fuel lines immediately after disconnection to prevent contamination
3. Replace all sealing O-rings and gaskets during installation — never reuse
4. Torque pump mounting bolts and fuel line connections to specification
5. Set and verify injection timing per the engine service manual — incorrect timing causes hard starting, power loss, smoke, and engine damage
6. Bleed the fuel system completely after installation to remove air from high-pressure circuits
7. Replace fuel filter at the same time as pump replacement
8. After initial start, perform a calibration check and adjust timing if required under load FUEL SYSTEM CLEANLINESS
The injection pump is manufactured to micron-level tolerances. Any contamination — water, debris, or incorrect fuel grade — causes rapid and irreversible damage. Always use clean, filtered diesel fuel. If the original pump failed due to contamination, flush the entire fuel system before installing the replacement. CONDITION AND WARRANTY
Condition and availability should be confirmed before ordering.
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FAQs

FAQ Page

How do I confirm this fuel pump is compatible?

Verify the fuel pump part number, engine model, engine serial number, connector or fitting type, and old pump label before ordering. Some pumps may require calibration or professional setup.

Does this fuel pump require professional installation?

Yes. Diesel fuel pumps, fuel injection pumps, and high pressure oil pumps should be installed by a qualified technician to avoid fuel system damage, leakage, poor performance, or engine issues.

What should I check before installing a fuel pump?

Check the fuel system condition, fuel lines, fittings, filters, seals, pressure requirements, and old pump label before installation. Incorrect installation or contamination can damage the pump.

Can a wrong fuel pump affect engine performance?

Yes. An incorrect fuel pump or high pressure oil pump can cause starting issues, low pressure, poor performance, fuel leaks, or engine fault codes. Always verify part number and application before installation.

Can I return a fuel pump after installation?

Installed, used, modified, contaminated, or damaged fuel pumps may not qualify for return. Please verify compatibility carefully before installation.