SKU: 21481930421

BD Roadmaster Allison 1000 Transmission & Torque Converter Package 04.5-05 GM 6.6L Duramax LLY 4WD

$3032.10 $3369.00
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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30

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Description

BD Roadmaster Allison 1000 Transmission & Torque Converter Package 04.5-05 GM 6.6L Duramax LLY 4WDIf your Allison 1000 is starting to show its age or you're looking for a solid upgrade to handle more towing, tougher terrain, or just everyday use with confidence, the BD RoadMaster transmission package is exactly what you need. Built specifically for the 2004. 52005 Duramax LLY. This transmission isnt just a basic rebuild, its a carefully engineered solution designed to bring enhanced durability and performance to one of GMs most popular platforms.

If your Allison 1000 is starting to show its age or you're looking for a solid upgrade to handle more towing, tougher terrain, or just everyday use with confidence, the BD RoadMaster transmission package is exactly what you need. Built specifically for the 2004.5–2005 Duramax LLY.

This transmission isn’t just a basic rebuild, it’s a carefully engineered solution designed to bring enhanced durability and performance to one of GM’s most popular platforms. The magic starts with a modified valve body that improves overall clutch performance and lifespan. Inside the transmission, BD keeps the stock clutch counts, but doubles the torque-holding capacity in the failure-prone C2 and C4 clutch packs, giving you far better holding power and way less slip, especially when towing or under heavy load. To help keep transmission temperatures under control, the RoadMaster package includes BD’s signature deep cast aluminum pan, which adds an additional 3.5 quarts of fluid capacity and helps dissipate heat much more effectively than stock. Every RoadMaster transmission also comes with BD’s billet ProForce torque converter. This converter is designed to deliver strong, consistent clutch engagement, even when the heat is on. Whether you're tackling steep grades with a trailer or cruising empty, the ProForce torque converter ensures your truck responds smoothly and confidently.

Before it ships, each unit is dyno tested for quality and performance. When it comes to peace of mind and real durability, the BD RoadMaster doesn’t mess around, it’s built to last and ready to work.

SHIPPING POLICY - Due to the size and weight of transmissions, they cannot be shipped through traditional couriers, such as UPS, FedEx, USPS, etc. and MUST be shipped via truck freight. We do not offer free shipping on transmissions, however, we do offer a very competitive rate charged at checkout. Once your core transmission is ready for pick up, you just need to give us a call or send us an e-mail with your original order number and the core tag on the transmission, and we can supply you with a quote on the return shipping as that is not covered in the original shipping cost. Otherwise, we give you the option to coordinate the return shipping on your own and independently pay your courier of choice. As always, if you have any questions, give us a call or send us an e-mail.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21481930421

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4.8 ★★★★★
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beachgirl
Los Angeles, US
★★★★★ 5
Good product
Color: Soft Brown, Size: 1 Count (Pack of 1)
I do not buy Cover Girl products, but took a chance on this. I am happy I did. This is a nice eyebrow pencil, for a drugstore brand. It does not have the Cover Girl smell. The color was fine for me. It most certainly does not last 24 hours though. I've no idea why the company is allowed to use that in the name.
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Reviewed in the United States on December 1, 2025
A
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Anna
Massapequa, US
★★★★★ 5
Great brows done easily.
Color: Soft Brown, Size: 1 Count (Pack of 1)
Very easy to use and lasts well.
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Reviewed in the United States on December 30, 2025
L
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lynn
Battle Creek, US
★★★★★ 4
Well worth the price
Color: Honey Brown, Size: 1 Count (Pack of 1)
A bit lighter than expected but created realistic looking brow hair
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Reviewed in the United States on February 20, 2026
A
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Amazon Customer
Louisville, US
★★★★★ 5
Ease of use nice color
Color: Soft Brown, Size: 1 Count (Pack of 1)
Goes on nicely easy to correct a mistake
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Reviewed in the United States on November 30, 2025
B
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4bonbon
Fort Morgan, US
★★★★★ 1
Tip will not stay saturated with color
Color: Honey Brown, Size: 1 Count (Pack of 1)
This is a pen with a nice felt tip. First time I used it, it glided on nicely. Second time used about it a week later, tip was dry and no matter how I tried, it would not saturate and provided no color. I even tried storing it with the tip facing down to make the color flood to the tip, but even after several days of standing it up that way, tip was still dry. What a waste of money. I just ordered their Easy Brow and Fill Tool, which is a stick of color that winds in and out and so far like it very much. Would recommend that and not this ink pen.
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Reviewed in the United States on November 30, 2022

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