Sierra 18-2763 - OMC Cobra Shift Cable Bellows
Sierra 18-2763 - OMC Cobra Shift Cable Bellows
Sierra
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Sierra 18-2763 - OMC Cobra Shift Cable Bellows
When servicing the shift-cable bellows on an OMC Cobra stern drive, matching the replacement to the cable passage matters more than choosing a bellows by appearance. Sierra 18-2763 is the listed aftermarket shift cable bellows replacement for OMC 911826, with Mercury 802388 and Mallory 9-72709 cross-references. It addresses the shift-cable bellows service position, not the separate exhaust or U-joint bellows.
Part Specifications
- Part Number: 18-2763
- Component: Shift cable bellows
- Listed Drive Family: OMC Cobra stern drives; verify the specific drive configuration before ordering
- Replaces OMC: 911826
- Replaces Mercury: 802388
- Replaces Mallory: 9-72709
Confirm Fitment Before Ordering
Use the parts diagrams available on our website to identify the shift-cable bellows for your drive. Alternatively, send us your engine model and serial number, together with the stern-drive model and serial number, by email, text or live chat, and we'll confirm fitment before you order.
Additional Information
- Vendor: Sierra
- Part Number: 18-2763
- OEM Cross-Reference: OMC 911826; Mercury 802388
- Aftermarket Cross-Reference: Mallory 9-72709
For a broader transom service, compare the Sierra 18-2771 OMC Cobra transom seal kit, which lists a shift cable bellows along with other bellows and service components. That kit is specified for Cobra drives without cone clutch; confirm its fitment independently rather than assuming every Cobra configuration uses the same kit.
Installation Notes
Refer to the applicable OMC Cobra service manual for shift-cable bellows installation, attachment requirements and any related cable service or adjustment specifications.
Frequently Asked Questions
Q: Is Sierra 18-2763 the shift cable bellows or the U-joint bellows?
A: It is the shift cable bellows. The U-joint and exhaust bellows occupy separate service positions and should not be substituted for it.
Q: Which part numbers does this bellows replace?
A: The listing identifies OMC 911826, Mercury 802388 and Mallory 9-72709 as replacement references. Check the reference shown in your drive's parts diagram.
Q: Does the Mercury 802388 reference mean it fits every Mercruiser drive?
A: No. A replacement reference does not establish universal Mercruiser compatibility; match the exact part requirement and drive configuration before ordering.
Q: Are a replacement shift cable and clamps included?
A: A replacement cable and clamps are not confirmed in this listing. Do not assume additional hardware is supplied with the bellows.
Q: Should I choose this bellows or a complete transom seal kit?
A: This listing addresses the shift cable bellows alone. A broader kit may suit a larger service job, but its contents and drive restrictions must be checked separately, including any cone-clutch exclusions.

! 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.