478-7926 20R-8178 11R-0331 C18 C32 ECM Controller for Cat SR4 SR4B SR5 GENERATOR
Overview: Caterpillar generator ECM/controller commonly referenced as 478-7926 with Cat Reman alternates 20R-8178 and 11R-0331. Bench tested with programming available on demand.
Part Numbers
- Primary: 478-7926 (4787926)
- Common cross refs: 20R-8178 (20R8178), 11R-0331 (11R0331)
Typical Generator Applications (as commonly listed)
- CAT SR4 / SR4B / SR5 generator systems (verify by part number)
- Common engine family mentions: C18 / C32 gen set platforms (verify by label)
Warranty & Support
- 3-Month Warranty
- Bench tested before dispatch
- Programming available on demand
Fitment tip: Generator calibrations can be configuration-specific. Match the ECM label part number before ordering.
Pairs well with
In stock! Ships within 1-2 business days.
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2-Year Warranty
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478-7926 20R-8178 11R-0331 C18 C32 ECM Controller for Cat SR4 SR4B SR5 GENERATOR
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