GM LS Billet Aluminum Front Engine Oil Galley Plug
GM LS Billet Aluminum Front Engine Oil Galley Plug
SKU: SKU: 81081-3
In stock

Product Details
Features
- Billet aluminum plug seals the front engine oil galley passage
- Replaces a worn, missing, or damaged factory galley plug
- Fits GM LS Gen III/IV: 4.8L, 5.3L, 5.7L, 6.0L, 6.2L
- Confirm plug location & engine generation before install
Description
This billet aluminum front engine oil galley plug is made for GM LS Gen III/IV small block V8 oiling system service. It seals the correct oil passage during engine assembly, rebuild preparation, or replacement of a worn, missing, or damaged oil galley plug.
Use it on compatible LS blocks when servicing the front engine oil galley. Confirm plug location, engine generation, installation depth, and oil passage condition before installation, since these can vary across the LS engine family.
Applications
Fits Chevrolet Small Block V8 Gen III/IV (LS-based) engines: 4.8L/293 (LR4, LY2, L20), 5.3L/325 (LM7, L59, LM4, L33, LY5, LC9, LH6, LH8, LH9, LMF), 5.7L/346 (LS1, LS6), 6.0L/364 (LQ4, LQ9, LS2, LY6, L96, LFA, LZ1), and 6.2L/376 (LS3, L99, LS9, LSA). Common applications include Chevrolet Silverado, Tahoe, Suburban, Camaro, Corvette, Trailblazer SS, SSR, GMC Sierra, Yukon, Yukon XL, Envoy Denali, Pontiac GTO, G8 GT, Firebird Trans Am, and LS-swap builds.
Installation
Confirm LS engine generation, plug location, oil passage condition, and installation depth before installing. Sold individually.
Specs
| Quantity | Sold individually |
Engine Fitment
COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. III/IV (LS BASED)
• 4.8 L / 293 in³ - LR4, LY2, L20
• 5.3 L / 325 in³ - LM7, L59, LM4, L33, LY5, LC9, LH6, LH8, LH9, LMF
• 5.7 L / 346 in³ - LS1, LS6
• 6.0 L / 364 in³ - LQ4, LQ9, LS2, LY6, L96, LFA, LZ1
• 6.2 L / 376 in³ - LS3, L99, LS9, LSA
NOTES
Confirm LS engine generation, plug location, oil passage condition, and installation depth before installation.
COMMON VEHICLE APPLICATIONS
Chevrolet Silverado, Tahoe, Suburban, Camaro, Corvette, Trailblazer SS, and SSR
GMC Sierra, Yukon, Yukon XL, and Envoy Denali
Pontiac GTO, G8 GT, Firebird Trans Am, and LS engine swap builds
Q&A
What's the difference between this and the oil filter bypass valve delete plug?
This plug seals the front engine oil galley passage — a general oiling system service part used during assembly, rebuild, or replacing a worn/damaged plug. TSP's Oil Filter Bypass Valve Delete Plug (SKU 81081-2) is a specific plug that replaces the factory bypass check valve. They serve different functions.
What engines does this fit?
GM LS Gen III/IV engines: 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L, covering engine codes including LR4, LM7, LS1, LQ4, LS2, LS3, LS6, LS9, and LSA.
What's this plug made of?
Billet aluminum.
Is this sold individually or as a set?
Sold individually.
Emissions Notice
This product does not affect vehicle emissions and is not subject to emissions compliance regulations.
GM LS Billet Aluminum Front Engine Oil Galley Plug
This billet aluminum front engine oil galley plug is made for GM LS Gen III/IV small block V8 oiling system service. It seals the correct oil passage during engine assembly, rebuild preparation, or replacement of a worn, missing, or damaged oil galley plug.
Use it on compatible LS blocks when servicing the front engine oil galley. Confirm plug location, engine generation, installation depth, and oil passage condition before installation, since these can vary across the LS engine family.
Applications
Fits Chevrolet Small Block V8 Gen III/IV (LS-based) engines: 4.8L/293 (LR4, LY2, L20), 5.3L/325 (LM7, L59, LM4, L33, LY5, LC9, LH6, LH8, LH9, LMF), 5.7L/346 (LS1, LS6), 6.0L/364 (LQ4, LQ9, LS2, LY6, L96, LFA, LZ1), and 6.2L/376 (LS3, L99, LS9, LSA). Common applications include Chevrolet Silverado, Tahoe, Suburban, Camaro, Corvette, Trailblazer SS, SSR, GMC Sierra, Yukon, Yukon XL, Envoy Denali, Pontiac GTO, G8 GT, Firebird Trans Am, and LS-swap builds.
Installation
Confirm LS engine generation, plug location, oil passage condition, and installation depth before installing. Sold individually.
COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. III/IV (LS BASED)
• 4.8 L / 293 in³ - LR4, LY2, L20
• 5.3 L / 325 in³ - LM7, L59, LM4, L33, LY5, LC9, LH6, LH8, LH9, LMF
• 5.7 L / 346 in³ - LS1, LS6
• 6.0 L / 364 in³ - LQ4, LQ9, LS2, LY6, L96, LFA, LZ1
• 6.2 L / 376 in³ - LS3, L99, LS9, LSA
NOTES
Confirm LS engine generation, plug location, oil passage condition, and installation depth before installation.
COMMON VEHICLE APPLICATIONS
Chevrolet Silverado, Tahoe, Suburban, Camaro, Corvette, Trailblazer SS, and SSR
GMC Sierra, Yukon, Yukon XL, and Envoy Denali
Pontiac GTO, G8 GT, Firebird Trans Am, and LS engine swap builds
SPECIFICATIONS
Quantity: Sold individually