Description
Comparison points and tradeoffs
When comparing Sierra 18-3851 Head Gasket with other Head options, use this source-backed detail as the primary discriminator: Category: Replacement Parts / Gaskets / Head.
Use this second fact to evaluate the tradeoff: OEM Part Number: CHRYSLER FORCE 27-F286529-3. A third point to compare across alternatives is: Item Weight: 2.08 ounces.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
| Brand | Sierra |
|---|---|
| Material | Mallory |
| UPC | 808282244064 030999975980 |
| Manufacturer | Sierra |
| Unit Count | 1.0 Count |
| Global Trade Identification Number | 00808282244064 |
| Model | Head Gasket |
| Item Weight | 2.08 ounces |
| Product Dimensions | 0.39 x 0.39 x 0.39 inches |
| Item model number | SR18.3851 |
| Is Discontinued By Manufacturer | No |
| Exterior | One |
| Manufacturer Part Number | 18-3851 |
| OEM Part Number | CHRYSLER FORCE 27-F286529-3 |
The Sierra 18-3851 Head Gasket is interchangeable with the following: Chrysler/Force/US Marine 27-F286529-3, Mallory 9-63807. Each Sierra product meets or exceeds the original equipment part it replaces.
Source product highlights
About this item
- Sierra Head Gasket
- Meets or exceeds the original equipment quality
- Sierra part number: 18-3851
- Interchangeable with the following: Chrysler/Force/US Marine 27-F286529-3, Mallory 9-63807




Dave79 –
Used this gasket on a old Sears Gamefisher 15 HP, picked it up for $50 as it needed a head gasket just make sure the head and block are clean and this gasket will seal fine
Customer –
Plugged the hole lol
Customer –
GOOD QUALITY AND FIT PERFECT
Anthony Fransen –
Worked good
Finn Oliver Andreasen –
Exact fit. Cheap easy fix