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aFe Power

aFe Pro Series Rear Differential Cover for 1997-2023 Ford F-150 (46-71320B)

aFe Pro Series Rear Differential Cover for 1997-2023 Ford F-150 (46-71320B)


Regular price $297.00 USD
Regular price Sale price $297.00 USD
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Product Description

aFe POWER's rear differential cover brings performance engineering to the protection of your truck's rear-end. This differential cover is constructed out of durable die-cast aluminum with reinforced ribs for maximum strength. The Pro Series differential covers include an oil level sight glass and deep reach magnetic dip stick for maximum protection. This cover fits the Ford 9.75 rear axle and is compatible on vehicles equipped with a factory rear track bar.

Built-in External Fins:
Built-in external fins transfer heat from the fluid to the outside air for maximum cooling.

Magnetic Drain/Fill Plug:
This system incorporates a large magnetic drain and deep reach fill plug to capture loose particles for maximum rear-end protection.

Oil Level Sight Glass:
Large oil level sight glass with calibration plug set to the factory fluid level to eliminate overfilling.

Emissions Disclaimer:
This product does not require a CARB EO#.

Fitment Notes:
This item will only fit trucks equipped with Ford 9.75 rear axles.
This item has not been tested on 99-04 Ford F-150 Lightning models or other models equipped with a rear sway bar.


Product Key Features

  • Constructed out of durable, die-cast aluminum
  • Black Powder Coat with Machined Fins
  • Neodymium magnetic drain plug is used for maximum gear protection
  • A 1/8" NPT calibration plug is added and set to the factory fluid level for easier/quicker filling
  • High Clearance Design for Compatibility with Factory Track Bar
  • Fits Ford 9.75 Rear Axles


Product Specifications

Brand: aFe Power
Product Category: Differential Components
Product Type: Differential Covers


Product Documents

Installation Guide
Product Warranty


Product Applications

Year Make Model Engine
2023-2023 Ford F-150 Raptor R V8 5.2L
2021-2023 Ford F-150 PowerBoost V6 3.5L
2018-2023 Ford F-150 V6 3.3L
2017-2023 Ford F-150 Raptor Ecoboost V6 3.5L
2015-2023 Ford F-150 Ecoboost V6 2.7L
2011-2023 Ford F-150 V8 5.0L
2011-2023 Ford F-150 Ecoboost V6 3.5L
2018-2021 Ford F-150 Power-Stroke V6 3.0L
2011-2014 Ford F-150 V6 3.7L
2010-2014 Ford F-150 V8 6.2L
2010-2014 Ford F-150 SVT Raptor V8 6.2L
1997-2010 Ford F-150 V8 4.6L
1997-2008 Ford F-150 V6 4.2L
1997-2008 Ford F-150 V8 5.4L


Product Brand Information

advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components. Current product lines include cold air intake systems, high performance direct fit and racing air filters, exhaust systems, intercoolers, turbochargers, electronic programmers, diesel fuel systems, throttle body spacers, and more. aFe is passionate about providing the most compelling, innovative, and highest performing products that are designed, built and tested in the USA. aFe was founded in 1999 and has headquarters and manufacturing facilities in Corona, California, USA. In the fall of 2007, aFe added diesel fluid filters for diesel applications. In 2008, aFe introduced the Aries 1 and Aries 2 filters and intakes for popular powersport applications. 2009 saw the release of the BladeRunner intercooler Intercooler for diesel applications as well as the Takeda USA intake line for sport compacts. In 2012 aFe Power entered into the differential cover and transmission pan market. 2011 saw the release of a new turbocharger and Scorcher Programmer product lines.