2019 MUSTANG SUPER 8.8" IRS LOADED DIFFERENTIAL HOUSING 3.55
M-4001-88355B
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ATTENTION:
This part is intended as a replacement part for use only in the application(s)
identified in the product description. Installation of this part in a vehicle for
which it is not intended may violate U.S. and Canadian laws and regulations related
to motor vehicle emissions.
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Loaded differential housing for Mustang IRS
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Fits 2018-2019 Mustang
- Fits 2015-2017 Mustang (see technical notes below)
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Iron housing with aluminum cover
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Includes 3.55:1 ratio gear set M-4209-88355A and Traction-Lok differential M-4204-M
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Custom calibration required for speedometer and shift corrections
- Original Equipment on 2019 Mustang GT
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Note-on 2015-2017 Mustang, pinion flange change may be necessary; comes with pinion flange with 93mm bolt circle and 110mm driveshaft pilot installed. For applications that require 95mm bolt circle and 113mm driveshaft pilot, use FR3Z-4851-B pinion flange, available through Ford dealer
Part Type
D-Line: Complete Axle Assy
Warranty Availability
Not Available
Package Dimensions
21" x 13" x 17"
Package Weight
105 lb(s)
UPC Code
756122013069
Country of Origin
United States
