PCM Socket Head Cap Screw 3/8-16 x 1-1/8" - Marine Engine Hardware
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
OEM socket head cap screw (SHC) designed for PCM marine engines. This 3/8-16 x 1-1/8" stainless steel fastener provides secure, corrosion-resistant mounting for engine components in harsh marine environments.
Key Features
- OEM quality fastener for PCM marine engines
- Socket head design for high-torque applications
- Corrosion-resistant construction for marine use
- Precision threading ensures proper fit and retention
- 3/8-16 thread size with 1-1/8" length
Applications
Designed for use in PCM inboard marine engines for mounting manifolds, brackets, covers, and other critical engine components. Essential for engine rebuilds, repairs, and maintenance where OEM-spec fasteners are required.
Installation Notes
Use a 5/16" hex key (Allen wrench) for installation. Torque to manufacturer specifications. Apply marine-grade anti-seize compound to threads when installing in aluminum or dissimilar metals to prevent galling and corrosion.
Specifications
- Type: Socket Head Cap Screw (SHC)
- Thread Size: 3/8-16
- Length: 1-1/8" (under head)
- Drive: 5/16" Hex Socket
- Manufacturer: PCM (Pleasurecraft Marine)
- OEM Part Number: RS3945
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.