Drivetrain› 4x4 Driveline Components

Dana

LH CHAMBER

$1,655.93

SKU: D00O SM492-20K

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Novak's adapter converts a GM Muncie SM420 transmission to Jeep Dana 18 & Dana 20 transfer cases, including IH versions. It's 4.4" long, creating a combined transmission and adapter length of 15.2". Made from cast and machined 356-T6 aluminum alloy.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDana
Part NumberD00O SM492-20K

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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