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B&M 2007-2017 Jeep Wrangler Nodular Iron Differential Cover for Dana 44 12312

B&M 2007-2017 Jeep Wrangler Nodular Iron Differential Cover for Dana 44 12312
B&M 2007-2017 Jeep Wrangler Nodular Iron Differential Cover for Dana 44 12312B&M 2007-2017 Jeep Wrangler Nodular Iron Differential Cover for Dana 44 12312B&M 2007-2017 Jeep Wrangler Nodular Iron Differential Cover for Dana 44 12312
$189.99 ea
NEWARRIVING SOONEstimated Ship Date 07/21/2025 (If Ordered Today)23 Available from HOLLEY PERFORMANCE PRODUCTS as of 07/02/2025
Model: 3998127
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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New, from B&M's popular Hi-Tek line of products comes a heavy duty Nodular Iron Differential Cover specifically designed for serious off-road enthusiasts. This super tough differential cover fits all 2007-2018 Jeep Wrangler JK with Dana 44 rear differentials and Rubicon models which generally have Dana 44 differentials front and rear. Features include a super durable black powder coated clear gloss finish with machined B&M logo, reinforcing ribs to help strengthen the cover and give it rugged good looks. Other features include a magnetic drain plug, a fill port with an o-ringed magnetic dipstick with "easy-grip" checkering for a sure grip when checking fluid levels whether on the trail, in the shop or at home. All hardware and installation instructions are included. Note: Gasket not included.
Features:
  • Fill Plug and Drain Plug for Easy Servicing
  • Super Tough Nodular Iron Construction
  • Magnetic Dipstick to Check Fluid Level
  • Over 65 Years of B&M Quality
  • Black Powder Coated Finish
  • Lifetime Limited Warranty
  • Easy Installation
Designed to fit most vehicles with Dana 44 Front or Rear differential, however vehicles may have other interfering components that may require modifications or moving of existing brackets, require longer cover bolts or different cover bolts, clearance of sway bars etc. - Checking for adequate clearance and fitment for your application should be verified prior to purchase & installation. Refer to ID guide and measurement drawings for specifications.
Installation Notes:
Designed to fit most vehicles with Dana 44 Front or Rear differential, however vehicles may have other interfering components that may require modifications or moving of existing brackets, require longer cover bolts or different cover bolts, clearance of sway bars etc. - Checking for adequate clearance and fitment for your application should be verified prior to purchase & installation. Refer to ID guide and measurement drawings for specifications.
About B&M Racing

B&M® specializes in performance automatic transmissions, torque converters, SFI approved flexplates, legendary automatic shifters, precision manual shifters, and many other transmission products including cast deep aluminum transmission pans, transmission coolers, and automatic transmission fluid. B&M Performance & Off-Road has been at the vanguard of the growing automotive aftermarket since the early 1950s. Racers themselves, B&M’s founders identified the needs of local performance enthusiasts and developed products to fill those needs. B&M specializes in performance automatic transmissions, torque converters, SFI approved flexplates, legendary automatic shifters, precision manual shifters, automatic shift handles, extended transfer case handles, cast deep aluminum transmission pans, differential covers, transmission coolers, power steering coolers, automatic transmission fluid, and transmission accessories for performance street, truck, Jeep, and off-road applications.

Downloads:

Download Name File Size
bm_warranty.pdf87.47KB
12312_instructions.pdf2.4MB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Fitment Notes
Jeep Wrangler 2007 - 2017 For applications with Dana 44 axles

Specifications:

Additional Fluid Capacity (qts) No
Bolt Count 10
Bolt/Studs Included Yes
California Proposition 65 Chemical Name Chromium (hexavalent compounds)
California Proposition 65 Required Yes
Call Out Size (in) 2.61
Carrier Main Cap Support No
Color/Finish Black Powder Coat
Differential Cover Bolt Pattern DANA 44
Differential Thickness (in) 2.91
Drain Plug Included Yes
Emission Code 5
Filler Plug Included Yes
Gasket Included No
Material Nodular Iron
Part Type Differential Cover
Product Type Differential Cover
Proposition 65 www.P65Warnings.ca.gov
Warranty Limited Lifetime (Lifetime)

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B&M 2007-2017 Jeep Wrangler Nodular Iron Differential Cover for Dana 44 12312: