LS Billet Rear Oil Galley Plug Barbell Diverter 6061-T6 Aluminum Replace 12573460 for GM Gen III & IV Engines LS1 LS2 LS3 LQ4 LQ9 LS6 L92 L99 4.8L 5.3L 6.0L 6.2L

★★★★★ 4.9 135 reviews

US$3.03
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Product details

Management number 237312475 Release Date 2026/07/10 List Price US$3.03 Model Number 237312475
Category
  • Stop Engine-Killing Oil Bypass The factory plastic LS barbell plug (OEM# 12573460) warps and cracks over time, allowing unfiltered oil to circulate through your engine. Our billet aluminum oil diverter completely seals the rear galley, forcing 100% of oil through the filter to protect cam bearings, lifters, and crankshaft.
  • CNC 6061-T6 Aluminum – Built to Outlast Your Engine Precision machined from solid 6061-T6 aluminum billet – not cheap cast or plastic. This oil galley plug offers superior heat dissipation, zero warping, and impact resistance. Perfect for high-performance LS builds and daily drivers alike.
  • Triple High-Temp FKM O-Rings Equipped with three high-temperature FKM fluororubber O-rings. Unlike the factory single-ring design, our triple-seal system eliminates oil leaks and maintains steady oil pressure even under track conditions.
  • Exact Fitment for GM Gen III & IV LS Engines Direct replacement for LS1, LS3, LS2, LQ4, LQ9, LS6, L92, L99, L33, L76, LSA, LM4, and LSX series (4.8L, 5.3L, 5.7L, 6.0L, 6.2L). Also compatible with Vortec truck engines. Please verify OEM# 12573460 before ordering.
  • Reusable Design & DIY-Friendly Install The aluminum body allows you to simply replace the O-rings during future engine rebuilds – no need to buy a new barbell. Installation takes under 5 minutes. Pro tip: Lightly lubricate O-rings with engine oil before inserting.
ASIN B0FH5G2FLC
Brand Name JBROPARTS
Unit Count 1.0 Count
Valve Type Plug Valve
Thread Size M12x1.25
Manufacturer JBROPARTS STORE
Model Number B0FH5G2FLC
Material Type Aluminum
Exterior Finish Aluminum
Number of Ports 3
Inlet Connection Type Threaded
Manufacturer Part Number JBR-12573460

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4.9 out of 5
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