LS Billet Rear Galley Plug Barbell Oil Diverter fits for GM Gen III & IV LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L33 L99 Oil Diverter LS Barbell 6061-T6 Aluminum Alloy Material

This swaps the plastic rear oil-gallery barbell plug in a GM Gen III or IV LS engine for a CNC-machined aluminium one, sealed by three FKM O-rings and cross-referenced to OEM 12573460. The supplier's headline argument is that you can put the same plug back at the next rebuild by fitting fresh O-rings, and it never says which O-rings.

The second life turns on an unspecified consumable

Reuse is the reason to pay for a machined barbell over a moulded one, and the description makes that case plainly: strip the engine, renew the seals, refit the same body. It gives the count as triple and the compound as FKM, and it gives no size, no cross-reference and no source for replacements. Nothing says whether spares are in the packet either. When the time comes, the old seals are what you will be measuring against.

Fitment is by engine code

The description lists twelve codes plus the LSX series: LS1, LS2, LS3, LS6, LQ4, LQ9, L33, L76, L92, L99, LSA and LM4, against Gen III and IV and Vortec truck engines of 4.8 to 6.2 litres. The product name lists nine of those twelve.

Precision claimed, none printed

The material paragraph says the part has a hard texture, is durable and has precise dimensions. It then publishes no dimension, and neither does anything else here: no length, no diameter, no seal size, no weight. Precision is asserted, and the page offers nothing to hold it to.

Key features

• Aluminium for plastic: the machined barbell goes in where the moulded OEM rear gallery plug comes out.
• Three FKM seals: the description calls them high-temperature resistant fluororubber and gives no temperature.
• Machined, not cast: the supplier describes precision CNC machining of aluminium alloy.
• One OEM number: 12573460 is the part the description says it suits.
• Gen III and IV: GM LS and Vortec truck engines from 4.8 to 6.2 litres.
• Meant to go back in: the description says the alloy body can be reused at the next assembly with new seals.

Specifications

• Barbell body: aluminium alloy
• Sealing arrangement: three FKM fluororubber O-rings
• Manufacture: CNC machined
• OEM equivalent: 12573460
• Engine codes listed: LS1, LS2, LS3, LS6, LQ4, LQ9, L33, L76, L92, L99, LSA, LM4 and the LSX series
• Litres covered: 4.8, 5.3, 5.7, 6.0 and 6.2

What the description will not say

• The product name says 6061-T6. The description says T6061, which is the same characters in another order and is not a designation that exists. We have neither corrected it nor restated it as the supplier's wording.
• The description claims precise dimensions and publishes none. There is no length, no diameter and no O-ring size anywhere on this listing.
• No quantity is stated anywhere. Nothing says how many barbells are in the packet.
• No torque figure, no thread and no fitting procedure appears.
• No temperature figure stands behind the high-temperature-resistant claim made for the seals.
• The description says the part improves oil flow and eliminates dirty oil bypass. No flow rate, no pressure reading and no test result appears anywhere, and we have not adopted those claims.
• The ampersand between LM4 and the LSX series has been lost, leaving the tail of its HTML entity sitting in the text as ordinary letters. That is a Loss; the codes either side of it are intact.
• The description writes the passage as "oil passage" in one paragraph and "gallery" in another, while the product name says "galley". Both spellings are in circulation for this part.

It is a small machined part with one job and one wear item, and the wear item is the thing this page declines to specify.

Returns, Refunds, and Replacements Products that are received faulty, damaged, or not as described are eligible for a return, refund, or replacement in accordance with the Australian Consumer Law (ACL). We are committed to ensuring all products meet the standards of quality and reliability expected by our customers. However, please note that we do not accept returns or provide refunds for change of mind. We encourage you to carefully consider your purchase to ensure it meets your needs and expectations.

Delivery Timeframe

Please note that we cannot guarantee the exact date of arrival, and the delivery timeframes (excluding weekends and public holidays) are as follows:

For customers in Victoria, approximately 7-10 working days; For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days; For customers in WA, NT, and TAS, approximately 9-12 working days.