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BD Diesel 14-21 Chevy/GMC 1500 Roadmaster 6L80 Transmission & Converter Package- (2WD)

SKU: BDD1064842SS

Automatic Transmission Assembly

BDD Transmissions...

BD Diesel 14-21 Chevy/GMC 1500 Roadmaster 6L80 Transmission & Converter Package- (2WD)

SKU: BDD1064842SS

Automatic Transmission Assembly

BDD Transmissions...

A$10,298.98
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

ROADMASTER TRANS

The BD 6L80 Roadmaster transmission increases the reliability and longevity of stock or lightly modified trucks. Our remanufactured valve body has a new clutch select, and the TCC regulator valves eliminate sloppy shifting. Our deep sump oil pan will reduce heat and burnup of the clutches. A brand-new ProForce torque converter with a billet cover is included in every 6L80 Roadmaster Transmission Package.

Additional Information

Roadmaster Transmission Kit; Incl. 6L80 Trans/Torque Converter/Machined Bellhousing And Pump Surface/Pressure Regulator Valve/TCC Regulator/Forward Piston/Deep Oil Pan;

Part Type

Automatic Transmission Assembly

Note Regarding Core Charges and Exchange Programs

The advertised price on StreetFX already includes any applicable core charges. Despite some manufacturer notes that may suggest otherwise, there are no surprise charges. If you choose to return your core, you may be eligible for a partial refund of up to $1,399.90 AUD, minus logistics, inspection, and other incidental fees. For further clarification or assistance, please contact a StreetFX representative.

Additional Application Notes
• Incl. 6L80 Trans/Torque Converter/Machined Bellhousing And Pump Surface/Pressure Regulator Valve/TCC Regulator/Forward Piston/Deep Oil Pan

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Data: v4.2 - Upd: 2026-11-07 23:27:25

Features

  • Cleaned and tested TEHCM unit
  • Machined bellhousing and pump surface to eliminate wear and pressure loss
  • New Billet ProForce Torque Converter which prevents notorious converter failure
  • New Cast Aluminum Transmission Oil Pan with an extra 2 quarts of fluid capacity
  • New Clutch Select and TCC Regulator valve to eliminate sticky valves
  • New Molded Pistons
  • New OEM clutches and steels
  • New Pressure Regulator valve to prevent low line pressure
  • New TEHCM pressure switch seals and discs
  • Updated GM Forward Piston to prevent cracks, common on OEM piston
  • Updated GM Forward Piston to prevent cracks/common on OEM piston

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:Roadmaster Transmission Kit
Part Number:bdd1064842SS
Trans Model:GM- 6L80 6 Speed

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 17:01:45

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s BD Diesel
StreetFX SKU bdd1064842SS
SFX Item ID 4448296
Accounting SKU bdd-1064842SS
Manufacturer SKU 1064842SS
Manufacturer UPC 990011411479
Alternative References 1064842SS

Manufacturer Attributes
Category Automatic Transmissions
Engine Gasoline
Make Chevy/GM
Title ROADMASTER 6L80 TRANSMISSION AND CONVERTER PACKAGE CHEVY/GMC 1500 2WD 13-21
Manufacturer Designation ROADMASTER 6L80 TRANSMISSION AND CONVERTER PACKAGE CHEVY/GMC 1500 2WD 13-21
Product Class Automatic Transmission Assembly
Construction/Type ROADMASTER 6L80 TRANSMISSION & CONVERTER PACKAGE CHEVY/GMC 1500 2WD 2013-2021
Product Outline New Billet ProForce Torque Converter which prevents notorious converter failure
Cleaned and tested TEHCM unit
Machined bellhousing and pump surface to eliminate wear and pressure loss
New Pressure Regulator valve to prevent low line pressure
New Clutch Select and TCC Regulator valve to eliminate sticky valves
Updated GM Forward Piston to prevent cracks, common on OEM piston
New Cast Aluminum Transmission Oil Pan with an extra 2 quarts of fluid capacity
New Molded Pistons
New OEM clutches and steels
New TEHCM pressure switch seals and discs
Vehicle Brief TRANS PACKAGE CHEVY/GMC 1500 2013-2021
Market Description The BD 6L80 Roadmaster transmission increases the reliability and longevity of stock or lightly modified trucks. Our remanufactured valve body has a new clutch select, and the TCC regulator valves eliminate sloppy shifting. Our deep sump oil pan will reduce heat and burnup of the clutches. A brand-new ProForce torque converter with a billet cover is included in every 6L80 Roadmaster Transmission Package.

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