Extreme Rebuild of GM 4L80E 1200nm 4 Speed Automatic (includes Torque Converter)

$7,491.49 inc. GST

Due to high demand this product's lead time is 23 weeks.

Each Heavy Duty Extreme Transmission from Wholesale Automatic Transmissions is built to perform and comes fully dyno and quality tested with a written report to ensure trouble free installation.Conditions apply to refundable deposit – see Description.

This will also add the following products to your cart:

  • Core Refundable Deposit - $1,500.00
SKU: REBUILD-EXTREME-4L80E-1200NM Categories: , , Tag:


This product can only be delivered to a business that can unload a pallet from a truck. This is a strict rule imposed by our freight companies.

All of Wholesale Automatic Transmissions heavy duty Extreme Rebuilds are meticulously built to handle not only to toughest of conditions, but also takes into consideration vehicle weight, larger tyre size, extreme towing conditions and most power upgrades. Each transmission has been fully stripped, cleaned and examined, all surfaces as required have been re-machined, every gasket, seal and ring have been replaced, all clutch frictions and bands where applicable have been replaced and upgraded depending on requirements. Valve bodies have been upgraded and oil filter replaced. Bushes, bearings and thrusts have either been upgraded, modified or replaced depending individual requirements. Torque converters have been rebuilt and upgraded. Please note that in some applications we have upgraded billet torque converter options available please see below in the “Customers also bought these” section to see if any of these torque converter upgrades are more suitable.

Each transmission is meticulously dyno-tested with a written report showing performance.

All transmissions come with a 12 month unlimited kilometer Australia wide warranty. Please note the warranty does not include any parts used in competition vehicles, or any off road events. Repairs & replacements under this warranty are subject to these conditions: whether the parts are repaired or replaced is at the option of Wholesale Auto’s. All claims must be returned to Wholesale Automatics. This warranty does not cover loss of vehicle use, time inconvenience, tow or recovery or any other damages, these costs are the customers. Goods must be returned to Wholesale before any claim will be processed.

This Rebuild Includes

Extreme Rebuild of GM 4L80E 1200nm 4 Speed Automatic (includes Torque Converter). Kit includes:

– Heavy Duty Lock-Up Single Stator Diesel Torque Convertor with Bolts

– Tunnel Aligned Case

– Re-Machine Channel Surface

– 300M Input Shaft

– Long Selector Shaft

– Replace All Gasket, Seals and Rings

– All New Clutch Frictions

– New Front and Rear Bands

– Oil Filter

– Deep Cast Aluminium Sump – Slant Rear

– External Inhibitor Switch with Plug and Tails

– Pre-Dyno Tested with Report

– High Temp Epoxy Enamel with High Gloss Finish

Refundable Deposit Conditions

This transmission is sold on a changeover basis. The transmission you return to Wholesale Automatics must be suitable for rebuilding. If the transmission is returned with significant damage to shafts, drums, gears, case, valve body (in other words, ‘hard parts’) or has extensive rust ingress then all or part of your refundable deposit will be kept to cover the replacement parts.

8 Great Colour Options to Choose From!

Extreme Rebuild Colours

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