Caterpillar Injector 443-9455
Caterpillar Fuel Injector 443-9455 – C175 Diesel Applications
Part Number: 443-9455
Overview
The Cat 443-9455 is a high-capacity fuel injector used on select Caterpillar high-horsepower platforms. Correct injector selection is critical for proper combustion, emissions performance, and reliable heavy-duty operation.
Common Applications (Verify by ESN)
- Caterpillar engine families commonly listed: C175-16, C175-20 (arrangement dependent)
- Interchange commonly shown with: 20R-5567 (verify your exact build)
Important Notes
- VIN/ESN verification required due to multiple injector arrangements on C175 platforms.
- Recommended to replace related seals and follow OEM installation procedure.
Included
- 1x Fuel Injector – 443-9455
Pairs well with
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Caterpillar Injector 443-9455
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