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Ford Racing 2021 Ford Bronco M220 Rear Axle Assembly - 4.46 Ratio w/ Electronic Locking Differential

SKU: FRPM-4000-446B

Axle Assemblies

FR Swap Drive Kits...

Ford Racing 2021 Ford Bronco M220 Rear Axle Assembly - 4.46 Ratio w/ Electronic Locking Differential

SKU: FRPM-4000-446B

Axle Assemblies

FR Swap Drive Kits...

A$7,917.33
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Ford Racing 2021 Ford Bronco M220 Rear Axle Assembly - 4.46 Ratio w/ Electronic Locking Differential

Ford Racing rear upper axle bushing kits include bushings, C-locks, and friction modifier. These kits are the same kits included with every Ford Racing 8.8 axle assembly and are necessary for installation.

Additional Information

Axle Installation Kit; 4.46 Ratio;

Part Type

Drive Axle Shaft Retainer

Additional Application Notes
• 4.46 Ratio

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Data: v4.2 - Upd: 2026-11-08 07:28:36

Features

  • Inc. 2-Bushings/2-C-Locks/1- Friction Modifier
  • Made in the USA

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:Axle Installation Kit
Part Number:frpM-4000-446B
Title:Ford Performance - Bronco M220 Rear Axle Assembly 4.46 With Electronic Locking Differential - M-4000-446B

Product Downloads

# Document Type Download
1. Material Safety Data Sheet

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 01:13:11

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Ford Racing, FORD, Ford Genuine Parts, Ford Performance, Ford Performance Parts
StreetFX SKU frpM-4000-446B
SFX Item ID 4303213
Accounting SKU frp-M-4000-446B
Manufacturer SKU M-4000-446B
Manufacturer UPC 756122014417
Alternative References FMS-M-4000-446B

Axle Assembly, Rear, M220, 4.46:1 Ratio, Ford Bronco, Each

Ford Performance Parts Bronco axle assemblies are designed with the latest technology and capability of any axles on the market. Engineered for the new Ford Broncos to not perform on-road, but provide superior strength and durability off-roading as well. Ford Performance Parts Bronco axle assemblies are offered for front or rear positions, available in a variety of gear ratios.

Product Attributes
BrandFord Performance Parts
Manufacturer's Part NumberM-4000-446B
Part TypeAxle Assemblies
Product LineFord Performance Parts Bronco Axle Assemblies
UPC756122014417
Axle Housing ColorBlack
Axle Shafts IncludedYes
Brakes IncludedNo
Center Section TypeE-locker
Third Member IncludedNo
Ring and Pinion IncludedYes
Ring and Pinion Ratio4.46:1
Wheel Studs IncludedNo
Bearings IncludedNo
Seals IncludedNo
RemanufacturedNo
QuantitySold individually.

Compatibility

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