Volvo Penta Hexagon Screw 3/8 UNC × 95 mm 955543
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Product Description
Volvo Penta 955543 is a 3/8 UNC × 95 mm hexagon screw used as the long thermostat-housing fastener in selected gasoline-engine cooling assemblies. Part identification and application.
Key Features
- Volvo Penta part number 955543.
- 3/8 UNC thread.
- 95 mm catalog length.
- Replaces earlier cooling-system screw 3853391.
Engine Compatibility
Cataloged in selected 5.0L cooling arrangements, including 5.0GIPWTR; verify the exact thermostat-housing and lifting-bracket configuration. View application reference.
Serial Number Fitment Notice
Match the engine or drive model, serial number and exact diagram position before ordering. Check the installed assembly when earlier repairs or component changes may affect the parts selection.
When This Part Needs Replacement
Replace corroded threads, a damaged hex head or a stretched fastener when removing the thermostat housing.
Installation Notes
Check the long-screw position and any supported lifting bracket. Use the engine manual for gasket replacement, sealant requirements and tightening torque.
Physical specifications: 3/8 UNC thread × 95 mm length. Specification reference.
Alternate / Superseded Part Numbers
Supersedes Volvo Penta 3853391. Part-number reference.
Parts Desk Insight
The long thermostat-housing screw is easily mixed with shorter fasteners removed from the same area. Keep it identified by position and length.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 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.