Caterpillar C9 Fuel Injectors: Part Numbers & Bad Symptoms
September 6, 2026
- Caterpillar C9 Marine Fuel Injectors: Part Numbers, Reman & Bad Injector Symptoms
- 236-0957 / 2360957
- 293-4073 / 2934073
- 573-4231 / 5734231
- Caterpillar C9 Marine Engine Parts
- send us your Caterpillar C9 injector enquiry
- Which Fuel Injector Fits My Caterpillar C9 Marine Engine?
- 236-0957
- 293-4073
- 573-4231
- “My Injector Says 20R-8068, but My Records Say 241-9595”
- Request a Quote for 241-9595 / 20R-8068
- “I Found 236-0957 on the Injector”
- View Caterpillar 236-0957 / 2360957 Fuel Injector
- “My C9 Has 293-4073 Injectors. What Replaces Them?”
- View Caterpillar 293-4073 / 2934073 Fuel Injector
- “What About 328-2576?”
- Request 328-2576 / 20R-8065
- Caterpillar C9 Fuel Injector 573-4231 / 5734231
- 573-4231 / 5734231 Caterpillar Engine Fuel Injector
- View Caterpillar 573-4231 / 5734231 Fuel Injector
- How Do I Know if My Caterpillar C9 Has a Bad Injector?
- “My Caterpillar C9 Is Blowing Black Smoke. Is It an Injector?”
- “What If the C9 Has White Smoke?”
- “It Runs Rough When Cold, Then Becomes Smooth”
- Should I Replace One C9 Injector or All Six?
- Can I Mix New and Reman C9 Injectors?
- Remember That the Caterpillar C9 Uses HEUI Injection
- “We Changed the Injector, but the Misfire Is Still There”
- Before Those Six Injectors Leave the Engine Room
- “I Only Have the Injector Number. Can You Help?”
- Send Your Caterpillar C9 Injector Enquiry
- Don't Accidentally Order C9.3 Injectors
- Caterpillar C9 Injector Part Numbers at a Glance
- 241-9595 / 2419595
- Request 241-9595 / 20R-8068
- 236-0957 / 2360957
- View 236-0957 / 2360957 Caterpillar Fuel Injector
- 293-4073 / 2934073
- View 293-4073 / 2934073 Caterpillar Fuel Injector
- 328-2576 / 3282576
- 573-4231 / 5734231
- View 573-4231 / 5734231 Caterpillar Fuel Injector
- Need Caterpillar C9 Marine Fuel Injectors?
- Request a Caterpillar C9 Injector Quote
- request@alfamarinespareparts.com
- Caterpillar Marine Engine Parts & Rebuild Kits
- Marine Spare Parts Catalogue
- A clear photograph of the injector number and engine identification plate is often enough to turn “I need six C9 injectors” into a proper parts enquiry.