Sierra 18-7149-9 - O-Rings, Pack of 5, Replaces Volvo 955989
Sierra 18-7149-9 - O-Rings, Pack of 5, Replaces Volvo 955989
Sierra
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Sierra 18-7149-9 - Replacement O-Rings, Pack of 5
The Sierra 18-7149-9 five-pack provides replacement O-rings cross-referenced to Volvo Penta 955989 and Sierra 18-7149. Five seals in one package make it practical to keep replacements together for assemblies calling for this specific part. Match the reference in your parts diagram before ordering; this is not a mixed-size O-ring assortment or a complete assembly seal kit. For the OEM-branded alternative, see the Volvo 955989 O-ring.
Part Specifications
- Part Number: 18-7149-9
- Component: Replacement O-ring
- Package Quantity: 5 O-rings
- Replaces Volvo Penta: 955989
- Listed Sierra Replacement Reference: 18-7149
Confirm Fitment Before Ordering
Use the parts diagrams available on our website to identify the correct O-ring for your assembly. Alternatively, send us your engine model and serial number by email, text or live chat, and we will confirm fitment before ordering. Include the installed assembly's identification if it has been replaced or modified.
Additional Information
- Vendor: Sierra
- Part Number: 18-7149-9
- OEM Cross-Reference: Volvo Penta 955989
- Kit Contents: 5 O-rings
Installation Notes
Refer to the applicable engine and assembly service manual for O-ring replacement requirements and specifications.
Frequently Asked Questions
Q: How many O-rings are included with Sierra 18-7149-9?
A: This product is a pack of five O-rings, not a single seal.
Q: Does this pack replace Volvo Penta 955989?
A: Volvo Penta 955989 is the listed OEM cross-reference; verify that your assembly's parts diagram specifies that seal.
Q: How does 18-7149-9 relate to Sierra 18-7149?
A: This five-pack is identified as 18-7149-9, and its listed Sierra replacement reference is 18-7149.
Q: Is this a complete seal kit or an assortment?
A: No. It contains five O-rings of the listed replacement type, rather than all seals for an assembly or a selection of different sizes.
Q: Can you help confirm the correct seal before ordering?
A: Yes. Check our website's parts diagrams or send your engine model, serial number and relevant assembly identification by email, text or live chat for fitment confirmation.
! 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.