SEI 9C-108 Trim Pump Assembly | Replaces MerCruiser 865380A25
SEI 9C-108 Trim Pump Assembly | Replaces MerCruiser 865380A25
Sterndrive Engineering
248 in stock
This Product Does Not Ship Free.
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SEI 9C-108 — Complete Trim Pump Assembly | Replaces MerCruiser 865380A25
Sterndrive Engineering (SEI) 9C-108 is a complete trim pump assembly replacement for MerCruiser trim systems, replacing Mercury/MerCruiser 865380A25. Includes the complete assembled trim pump unit. Key serviceable sub-components — the trim motor (SEI 9C-108-27) and mounting bracket assembly (SEI 9C-108-32) — are available separately if only a sub-component replacement is needed. Not eligible for free shipping.
Confirm Fitment Before Ordering
Not sure if this trim pump fits your sterndrive? Give us your MerCruiser sterndrive model and serial number and we’ll confirm it for you before you order — by email, text, or live chat.
Part Specifications
- SEI Part Number: 9C-108
- Type: Complete trim pump assembly
- Replaces: Mercury/MerCruiser 865380A25
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Serviceable Sub-Parts:
- Trim motor: SEI 9C-108-27
- Mounting bracket assembly: SEI 9C-108-32
- Shipping: Not eligible for free shipping
- Vendor: Sterndrive Engineering (SEI)
Additional Information
- Vendor: Sterndrive Engineering (SEI)
- Part Number: 9C-108
- OEM Cross-Reference: Replaces Mercury/MerCruiser 865380A25
- Kit Contents: Complete assembled trim pump unit
Installation Notes
Install following the applicable MerCruiser service manual for your sterndrive model. If only the motor or bracket requires replacement, consider the individual sub-components (SEI 9C-108-27 motor or SEI 9C-108-32 bracket) rather than replacing the complete assembly.
Frequently Asked Questions
Q: What MerCruiser part number does SEI 9C-108 replace?
A: SEI 9C-108 replaces Mercury/MerCruiser 865380A25.
Q: Can I replace just the trim motor or mounting bracket instead of the whole assembly?
A: Yes — if only a sub-component has failed, the trim motor (SEI 9C-108-27) and mounting bracket assembly (SEI 9C-108-32) are available separately. Contact us by email, text, or live chat if you need help identifying which sub-component you need.
Q: How do I confirm this trim pump fits my sterndrive?
A: Not sure if this fits your sterndrive? Give us your MerCruiser sterndrive model and serial number and we’ll confirm it for you — by email, text, or live chat.
Q: Why is this not eligible for free shipping?
A: The SEI 9C-108 trim pump assembly ships via carrier freight due to its size and weight. Shipping charges will be calculated at checkout.
Q: What is included in the 9C-108 complete assembly?
A: The 9C-108 is a complete assembled trim pump unit including the motor and mounting bracket. If you only need individual sub-components, see the SEI 9C-108-27 trim motor or SEI 9C-108-32 mounting bracket listed separately.
! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.