Timken NP544520 Differential Pinion Bearing - Front Inner, Rear Inner or Rear Outer

OE Quality 60-Day Returns

Timken NP544520 Differential Pinion Bearing - Front Inner, Rear Inner or Rear Outer

Brand	Timken NP544520
Position	Front Inner
Fits	Cadillac, Chevrolet, and GMC · 186 vehicles

Tapered roller bearing. Engineered for higher speeds, heavier loads, and longer life.

Dual-load capacity. Handles both radial and axial loads for dependable performance.

Cone and cup should be replaced together to maximize reliability and life.

$63.03Free shipping

In stock · usually ships same day before 1pm CST

Step 1 — Confirm fitment

Free return shipping if it doesn't fit when you check fitment here first.

Confirm position

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

Step 2 — Quantity

Free shipping to the continental U.S.

Free returns within 60 days if it doesn't fit when fitment is verified.

Not what you need? See all Differential Pinion Bearing options

Timken Differential Pinion Bearing NP544520

Timken NP544520 is a differential pinion bearing built for driveline and axle service where precise load control matters. It is used in front inner, rear inner, and rear outer positions across a wide range of Chevrolet, GMC, Cadillac, and Hummer applications.

Key Features

Tapered roller bearing design for radial and axial load management
Engineered for higher operating speeds, heavier loads, and longer service life
Compact bearing design for efficient space use in the differential assembly
Timken NP544520 for front inner, rear inner, and rear outer differential service
Direct application coverage for Silverado 1500, Sierra 1500, Escalade, Tahoe, Yukon, and related models

Detailed Description

Timken NP544520 is a differential pinion bearing used in axle and differential assemblies that require stable pinion support and consistent gear alignment. Timken tapered roller bearing technology is known for handling combined radial and axial loads, which is important in rear axle and front differential service on trucks and SUVs. This part number is listed for applications including Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, and Chevrolet Tahoe, with fitment spanning 2001-2020 model years depending on vehicle and position.

This part cross-references common OE-style differential bearing applications for the same service position. For accurate replacement, match the vehicle year, make, model, axle configuration, ring gear size, drive ratio, and bearing position before installation.

What It Helps Fix

Pinion bearing noise from wear or surface damage
Excessive differential play or looseness
Gear mesh issues caused by bearing deterioration
Whine or rumble from the axle or differential housing
Service needs during differential rebuilds on Silverado 1500 and Sierra 1500 applications

Installation Notes and Tips

Replace the inner cone and outer cup together to maintain bearing reliability and service life.
Verify the correct position: front inner, rear inner, or rear outer.
Confirm ring gear size and drive ratio where noted, especially on 8.5 in., 8.6 in., 10.5 in., and 11.5 in. applications.
Inspect the pinion race, seals, and related differential components during service.
Use proper bearing setup and preload procedures during installation.

Quality Assurance

Timken is a recognized global leader in tapered roller bearings, with engineering support focused on durability and load handling in demanding driveline applications. NP544520 is built to Timken bearing standards for differential service.

This part fits 186 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Body Type	Drive Type	Transmission	Position	Notes
2020	Cadillac	Escalade	—	4WD	—	Front Inner	—
2020	Cadillac	Escalade ESV	—	4WD	—	Front Inner	—
2020	GMC	Sierra 1500	—	—	—	Rear Inner	8.5", 8.625" Ring Gear
2019	Cadillac	Escalade	—	4WD	—	Front Inner	—
2019	Cadillac	Escalade ESV	—	4WD	—	Front Inner	—
2019	GMC	Sierra 1500	—	—	—	Rear Inner	8.5", 8.625" Ring Gear
2018	Cadillac	Escalade	—	4WD	—	Front Inner	—
2018	Cadillac	Escalade ESV	—	4WD	—	Front Inner	—
2018	GMC	Sierra 1500	—	—	—	Rear Inner	8.5", 8.625" Ring Gear
2017	Cadillac	Escalade	—	4WD	—	Front Inner	—
2017	Cadillac	Escalade ESV	—	4WD	—	Front Inner	—
2017	GMC	Sierra 1500	—	—	—	Rear Inner	8.5", 8.625" Ring Gear
2016	Cadillac	Escalade	—	4WD	—	Front Inner	—
2016	Cadillac	Escalade ESV	—	4WD	—	Front Inner	—
2016	GMC	Sierra 1500	—	—	—	Rear Inner	8.5", 8.625" Ring Gear
2015	Cadillac	Escalade	—	4WD	—	Front Inner	—
2015	Cadillac	Escalade ESV	—	4WD	—	Front Inner	—
2015	GMC	Sierra 1500	—	—	—	Rear Inner	8.5", 8.625" Ring Gear
2014	Cadillac	Escalade	—	AWD	—	Front Inner	—
2014	Cadillac	Escalade ESV	—	AWD	—	Front Inner	—
2014	Chevrolet	Suburban 1500	—	—	—	Rear Inner	8.5", 8.625" Ring Gear
2014	GMC	Sierra 1500	—	—	—	Rear Inner	8.5", 8.625" Ring Gear
2013	Cadillac	Escalade	—	AWD	—	Front Inner	—
2013	Cadillac	Escalade ESV	—	AWD	—	Front Inner	—
2013	Cadillac	Escalade EXT	—	AWD	—	Front Inner	—
2013	Chevrolet	Avalanche	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2013	Chevrolet	Silverado 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2013	Chevrolet	Suburban 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2013	GMC	Sierra 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2012	Cadillac	Escalade	—	AWD	—	Front Inner	—
2012	Cadillac	Escalade ESV	—	AWD	—	Front Inner	—
2012	Cadillac	Escalade EXT	—	AWD	—	Front Inner	—
2012	Chevrolet	Avalanche	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2012	Chevrolet	Colorado	—	—	—	Rear Inner	Drive Ratio 3.42
2012	Chevrolet	Silverado 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2012	Chevrolet	Suburban 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2012	GMC	Canyon	—	—	—	Rear Inner	Drive Ratio 3.42
2012	GMC	Sierra 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2011	Cadillac	Escalade	—	AWD	—	Front Inner	—
2011	Cadillac	Escalade ESV	—	AWD	—	Front Inner	—
2011	Cadillac	Escalade EXT	—	AWD	—	Front Inner	—
2011	Chevrolet	Avalanche	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2011	Chevrolet	Colorado	—	—	—	Rear Inner	Drive Ratio 3.42
2011	Chevrolet	Silverado 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2011	Chevrolet	Suburban 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2011	GMC	Canyon	—	—	—	Rear Inner	Drive Ratio 3.42
2011	GMC	Sierra 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2010	Cadillac	Escalade	—	AWD	—	Front Inner	—
2010	Cadillac	Escalade ESV	—	AWD	—	Front Inner	—
2010	Cadillac	Escalade EXT	—	AWD	—	Front Inner	—
2010	Chevrolet	Avalanche	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2010	Chevrolet	Colorado	—	—	—	Rear Inner	Drive Ratio 3.42
2010	Chevrolet	Silverado 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2010	Chevrolet	Suburban 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2010	GMC	Canyon	—	—	—	Rear Inner	Drive Ratio 3.42
2010	GMC	Sierra 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2010	Hummer	H3	—	—	—	Rear Inner	—
2010	Hummer	H3T	—	—	—	Rear Inner	—
2009	Cadillac	Escalade	—	AWD	—	Front Inner	—
2009	Cadillac	Escalade ESV	—	AWD	—	Front Inner	—
2009	Cadillac	Escalade EXT	—	AWD	—	Front Inner	—
2009	Chevrolet	Avalanche	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2009	Chevrolet	Colorado	—	—	—	Rear Inner	Drive Ratio 3.42
2009	Chevrolet	Silverado 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2009	Chevrolet	Suburban 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2009	GMC	Canyon	—	—	—	Rear Inner	Drive Ratio 3.42
2009	GMC	Sierra 1500	—	—	—	Rear Inner	Fits 8.5 in. & 8.6 in. ring gear with 3.42 drive ratio.
2009	Hummer	H3	—	—	—	Rear Inner	—
2009	Hummer	H3T	—	—	—	Rear Inner	—
2008	Cadillac	Escalade	—	AWD	—	Front Inner	—
2008	Cadillac	Escalade	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2008	Cadillac	Escalade ESV	—	AWD	—	Front Inner	—
2008	Cadillac	Escalade EXT	—	AWD	—	Front Inner	—
2007	Cadillac	Escalade	—	AWD	—	Front Inner	—
2007	Cadillac	Escalade	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2007	Cadillac	Escalade ESV	—	AWD	—	Front Inner	—
2007	Cadillac	Escalade EXT	—	AWD	—	Front Inner	—
2007	Chevrolet	Express 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2007	GMC	Savana 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2006	Cadillac	Escalade	—	AWD	—	Front Inner	—
2006	Cadillac	Escalade	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2006	Cadillac	Escalade ESV	—	AWD	—	Front Inner	—
2006	Cadillac	Escalade EXT	—	AWD	—	Front Inner	—
2006	Chevrolet	Express 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2006	Chevrolet	Silverado 1500	Extended Cab Pickup	4WD	—	Front Inner	—
2006	Chevrolet	Silverado 1500	Standard Cab Pickup	4WD	—	Front Inner	—
2006	Chevrolet	SSR	—	—	Automatic	Rear Inner	—
2006	Chevrolet	Suburban 1500	Sport Utility	4WD	—	Front Inner	—
2006	Chevrolet	Suburban 1500	Sport Utility	AWD	—	Front Inner	—
2006	Chevrolet	Tahoe	Sport Utility	4WD	—	Front Inner	—
2006	GMC	Savana 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2006	GMC	Yukon	Sport Utility	4WD	—	Front Inner	—
2006	GMC	Yukon	Sport Utility	AWD	—	Front Inner	—
2006	GMC	Yukon XL 1500	Sport Utility	4WD	—	Front Inner	—
2006	GMC	Yukon XL 1500	Sport Utility	AWD	—	Front Inner	—
2006	GMC	Yukon XL 2500	Sport Utility	4WD	—	Front Inner	—
2005	Cadillac	Escalade	—	AWD	—	Front Inner	—
2005	Cadillac	Escalade	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2005	Cadillac	Escalade ESV	—	AWD	—	Front Inner	—
2005	Cadillac	Escalade EXT	—	AWD	—	Front Inner	—
2005	Chevrolet	Express 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2005	Chevrolet	Silverado 1500	Extended Cab Pickup	4WD	—	Front Inner	—
2005	Chevrolet	Silverado 1500	Extended Cab Pickup	AWD	—	Front Inner	—
2005	Chevrolet	Silverado 1500	Standard Cab Pickup	4WD	—	Front Inner	—
2005	Chevrolet	Silverado 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2005	Chevrolet	SSR	—	—	Automatic	Rear Inner	—
2005	Chevrolet	Suburban 1500	Sport Utility	4WD	—	Front Inner	—
2005	Chevrolet	Tahoe	Sport Utility	4WD	—	Front Inner	—
2005	GMC	Savana 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2005	GMC	Sierra 1500	Extended Cab Pickup	4WD	—	Front Inner	—
2005	GMC	Sierra 1500	Standard Cab Pickup	4WD	—	Front Inner	—
2005	GMC	Yukon	Sport Utility	4WD	—	Front Inner	—
2005	GMC	Yukon	Sport Utility	AWD	—	Front Inner	—
2005	GMC	Yukon XL 1500	Sport Utility	4WD	—	Front Inner	—
2005	GMC	Yukon XL 1500	Sport Utility	AWD	—	Front Inner	—
2005	GMC	Yukon XL 2500	Sport Utility	4WD	—	Front Inner	—
2004	Cadillac	Escalade	—	AWD	—	Front Inner	—
2004	Cadillac	Escalade	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2004	Cadillac	Escalade ESV	—	AWD	—	Front Inner	—
2004	Cadillac	Escalade EXT	—	AWD	—	Front Inner	—
2004	Chevrolet	Avalanche 2500	—	—	—	Rear Outer	10.5 in. Ring Gear; Heavy Duty
2004	Chevrolet	Express 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2004	Chevrolet	Express 2500	—	—	—	Rear Outer	—
2004	Chevrolet	Silverado 1500	Extended Cab Pickup	4WD	—	Front Inner	—
2004	Chevrolet	Silverado 1500	Extended Cab Pickup	AWD	—	Front Inner	—
2004	Chevrolet	Silverado 1500	Standard Cab Pickup	4WD	—	Front Inner	—
2004	Chevrolet	Silverado 2500	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2004	Chevrolet	Silverado 2500 HD	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2004	Chevrolet	Silverado 3500	—	—	—	Rear Outer	10.5 Inch Ring Gear Heavy Duty Differential Pinion Bearing
2004	Chevrolet	Silverado 3500	—	—	—	Rear Outer	10.5 in. Ring Gear - Non Heavy Duty
2004	Chevrolet	SSR	—	—	—	Rear Inner	—
2004	Chevrolet	Suburban 1500	Sport Utility	4WD	—	Front Inner	—
2004	Chevrolet	Suburban 2500	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2004	Chevrolet	Tahoe	Sport Utility	4WD	—	Front Inner	—
2004	GMC	Savana 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2004	GMC	Savana 2500	—	—	—	Rear Outer	—
2004	GMC	Sierra 1500	Extended Cab Pickup	4WD	—	Front Inner	—
2004	GMC	Sierra 1500	Extended Cab Pickup	AWD	—	Front Inner	—
2004	GMC	Sierra 1500	Standard Cab Pickup	4WD	—	Front Inner	—
2004	GMC	Sierra 2500	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2004	GMC	Sierra 2500 HD	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2004	GMC	Sierra 3500	—	—	—	Rear Outer	10.5 Inch Ring Gear Heavy Duty Differential Pinion Bearing
2004	GMC	Sierra 3500	—	—	—	Rear Outer	10.5 in. Ring Gear - Non Heavy Duty
2004	GMC	Yukon	Sport Utility	4WD	—	Front Inner	—
2004	GMC	Yukon	Sport Utility	AWD	—	Front Inner	—
2004	GMC	Yukon XL 1500	Sport Utility	4WD	—	Front Inner	—
2004	GMC	Yukon XL 1500	Sport Utility	AWD	—	Front Inner	—
2004	GMC	Yukon XL 1500	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2004	GMC	Yukon XL 2500	Sport Utility	4WD	—	Front Inner	—
2004	GMC	Yukon XL 2500	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2003	Cadillac	Escalade	—	AWD	—	Front Inner	—
2003	Cadillac	Escalade	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2003	Cadillac	Escalade ESV	—	AWD	—	Front Inner	—
2003	Cadillac	Escalade EXT	—	AWD	—	Front Inner	—
2003	Chevrolet	Avalanche 2500	—	—	—	Rear Outer	10.5 in. Ring Gear; Heavy Duty
2003	Chevrolet	Express 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2003	Chevrolet	Silverado 1500	Extended Cab Pickup	4WD	—	Front Inner	—
2003	Chevrolet	Silverado 1500	Extended Cab Pickup	AWD	—	Front Inner	—
2003	Chevrolet	Silverado 1500	Standard Cab Pickup	4WD	—	Front Inner	—
2003	Chevrolet	Silverado 2500	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2003	Chevrolet	Silverado 2500 HD	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2003	Chevrolet	Silverado 3500	—	—	—	Rear Outer	10.5 Inch Ring Gear Heavy Duty Differential Pinion Bearing
2003	Chevrolet	Silverado 3500	—	—	—	Rear Outer	10.5 in. Ring Gear - Non Heavy Duty
2003	Chevrolet	SSR	—	—	—	Rear Inner	—
2003	Chevrolet	Suburban 1500	Sport Utility	4WD	—	Front Inner	—
2003	Chevrolet	Suburban 2500	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2003	Chevrolet	Tahoe	Sport Utility	4WD	—	Front Inner	—
2003	GMC	Savana 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2003	GMC	Sierra 1500	Extended Cab Pickup	4WD	—	Front Inner	—
2003	GMC	Sierra 1500	Extended Cab Pickup	AWD	—	Front Inner	—
2003	GMC	Sierra 1500	Standard Cab Pickup	4WD	—	Front Inner	—
2003	GMC	Sierra 2500	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2003	GMC	Sierra 2500 HD	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2003	GMC	Sierra 3500	—	—	—	Rear Outer	10.5 Inch Ring Gear Heavy Duty Differential Pinion Bearing
2003	GMC	Sierra 3500	—	—	—	Rear Outer	10.5 in. Ring Gear - Non Heavy Duty
2003	GMC	Yukon XL 1500	Sport Utility	4WD	—	Front Inner	—
2003	GMC	Yukon XL 1500	Sport Utility	AWD	—	Front Inner	—
2003	GMC	Yukon XL 1500	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2003	GMC	Yukon XL 2500	Sport Utility	4WD	—	Front Inner	—
2003	GMC	Yukon XL 2500	—	—	—	Rear Outer	10.5 in., 11.5 in. Ring Gear
2002	Cadillac	Escalade	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2002	Chevrolet	Avalanche 2500	—	—	—	Rear Outer	10.5 in. Ring Gear; Heavy Duty
2002	Chevrolet	Express 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2002	GMC	Savana 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2001	Chevrolet	Express 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
2001	GMC	Savana 1500	—	—	—	Rear Inner	Differential Pinion Race compatible with 8.6 inch ring gear.
No rows match your filter.