Parts for the
Dana Model 300 Transfer Case
The Jeep & IH Dana Spicer 300 is a phenomenally good transfer case on the trail and street. Professional level rebuild work is possible for the conscientious shadetree rebuilder.
We offer nearly all parts at the component level, and our master rebuild kit, which includes the most thorough collection of parts offered anywhere.
The Master Rebuild Kit
Our master rebuild kit has been assembled for our customer's rebuilds as well as our own. It is the most complete kit we've seen anywhere and features all the consumable and wear item components.
If you're unsure of whether you've got the 1980, short output style 300, or the 1981- , long output style 300, read our Knowledge Base article, here.
Rebuild Requirements
It is very common for our customers to do top-level rebuild work, using good methods and by following our included instruction guide.
We suggest the rebuilder have access to a set of snap ring pliers, and a small arbor press, in addition to standard shop tools.
Other Components
Essentially all parts for the Dana 300 are available new and affordably so. For anything not shown, contact us.
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Includes all bearings, seals, gaskets, o-rings, ultra-hardened intermediate shaft, poppets, shims, snap rings, small parts, shift fork pads, springs and instructions
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Includes all bearings, seals, gaskets, o-rings, ultra-hardened intermediate shaft, poppets, shims, snap rings, small parts, shift fork pads, springs and instructions
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Includes all bearings, seals, gaskets, o-rings, ultra-hardened intermediate shaft, poppets, shims, snap rings, small parts, shift fork pads, springs and instructions
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We're pleased to offer the ultimate Dana 300 rebuild kit available. While developing our exhaustive instruction guide on rebuilding the Jeep Dana Model 300 transfer case, we kitted together the best parts available anywhere. This includes our exclusive case-hardened triple-alloy intermediate shaft, all bearings, seals, gaskets, o-rings, fork inserts, output yoke nuts & washers, shims & small parts - everything required to bring your 300 to peak strength and tune. We use only premium (Timken®, BCA®, Nachi®, Torrington® and Koyo®) bearings.
Also included with our #300MR kit is our comprehensive instruction package - the most compete write-up anywhere, loaded with the details to guide you through each step. |
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Dana 300 Billet Bottom Cover Pan
These rigid and precisely machined billet bottom pans are the answer to a few Dana transfer case dilemmas. The thick, smooth-finished flange replaces the thin, warped factory pans and they virtually assure a drip-free seal.
Two designs are available for the Dana 300:
- The shallower depth, low-profile version for Jeeps requiring greater ground clearance. This version increases fluid capacity over the factory pan by about 6 oz.
- The extended depth version that maximizes the fluid capacity for the most punishing service. This version increases fluid capaicty over the factory pan by about 16 oz.

The pan is made of corrosion resistant 6061 aluminum and then anodized in clear zinc for further protection.
Included are the pan, stainless socket head button cap screws, drain plug and sealing washer.
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Includes the pan, drain plug, sealing washer and stainless fastening hardware. Gasket not included - RTV silicone will seal these machined surfaces best.
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Includes the pan, drain plug and stainless fastening hardware. Gasket not included - RTV silicone will seal these machined surfaces best.
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Read the review at 4x4review.com
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Ultra-Short HD Output Shaft Assembly
This is Novak's meticulously engineered and extremely robust 32-spline output shaft assembly is available to solve the problems of shaft breakage and u-joint vibration due to excessive angles in short-wheelbase Jeeps. Read more here.
4:1 Low Gearset
Upgrading the factory 2.6:1 gearset to 4:1 creates a 35% deeper crawl ratio. We recommend the Tera LOW300 set.