Part number lookup
166-3757 Replacement Parts
Cross-reference and compare 1 replacement listing for OEM / aftermarket part number 166-3757. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
1 Matching Product
Part Numbers and Cross References
Applications and Fitment Summary
- Caterpillar · 420D
- Caterpillar · 299D3
- Caterpillar · CP-323C
- Caterpillar · CP-433E
- Caterpillar · CP-533E
- Caterpillar · CP56
- Caterpillar · CP-56
- Caterpillar · CP68B
- Caterpillar · CP74
- Caterpillar · CP-74
- Caterpillar · CP74B
- Caterpillar · CP76
- Caterpillar · CS-323C
- Caterpillar · CS-423E
- Caterpillar · CS-433E
- Caterpillar · CS-533E
- Caterpillar · CS56
- Caterpillar · CS-56
- Caterpillar · CS56B
- Caterpillar · CS64
- Caterpillar · CS68B
- Caterpillar · CS74
- Caterpillar · CS-74
- Caterpillar · CS74B
Frequently Asked Questions
What parts replace OEM number 166-3757?
This page lists 1 replacement listing indexed under 166-3757. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 166-3757?
Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.
Can I request a quote if 166-3757 is not an exact match?
Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.