Mercury MerCruiser Quicksilver Shift Pin O-Ring 25007
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Mercury MerCruiser Quicksilver 25-25007 is a genuine Mercury Marine O-ring used as a small sealing ring in supported Mercury, Force, and MerCruiser-related assemblies. Cross-reference listings commonly identify this as a shift pin / gear shift arm pin rubber O-ring, with a size reference of 0.215 in. / 5.5 mm I.D. and 0.065 in. / 1.7 mm width. It is used where the parts diagram specifically calls for 25-25007 / 25007.
Key Features
- Genuine Mercury Marine / Quicksilver O-ring reference
- Commonly described as a shift pin / gear shift arm pin O-ring
- Size reference: 0.215 in. / 5.5 mm I.D.
- Width reference: 0.065 in. / 1.7 mm
- OEM part number: 25-25007
- Base part reference: 25007
- GTIN / UPC reference: 745061131477
- Catalog package reference: approximately 0.75 in. x 0.75 in. x 0.75 in.
- Catalog weight reference: approximately 0.02 lb
Engine Compatibility
This O-ring is shown in Mercury parts references for select 40 HP, 50 HP, 70 HP, 75 HP, 90 HP, 120 HP, and 150 HP applications depending on model year and serial number range. It is also shown in trim / tilt / lift systems and components from 1994 and newer, and in Force-related 75 / 90 HP application references.
Serial Number Fitment Notice
O-ring fitment depends on the exact engine, drive, trim/tilt assembly, shift linkage location, and serial number range. Always confirm compatibility using the Mercury or MerCruiser serial number and the exact parts diagram before ordering, especially because this small O-ring appears in more than one component group.
When This Part Needs Replacement
Replace this O-ring whenever the related shift pin, gear shift arm, trim/tilt component, or sealing location is serviced, or if the original O-ring is flattened, cut, swollen, hardened, cracked, missing, or no longer sealing properly.
Installation Notes
Clean the O-ring groove and mating surface before installation. Lightly lubricate the O-ring with the service-manual-approved lubricant where specified, and make sure it seats evenly without twisting or pinching. Confirm the exact diagram callout before installation because this part is small and easy to confuse with similar Mercury O-rings.
Alternate/Superseded Part Numbers
- 25-25007
- 25007
- 25-F498618
- F498618
- F498619
- 26-817469
- 27-843672
- 25-38933 — related interchange reference in supported applications
- Sierra 18-7120
- GLM 80090
- Mallory 9-76526
- Johnson / Evinrude 307853
- OMC 332598
Parts Desk Insight
This is a very small O-ring, but the diagram location matters. If it is being used on a shift pin or trim/tilt component, replacing it while the assembly is already apart is usually better than reusing an old flattened seal.
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Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.