2019-2025
2014-2018
2007-2013
1999-2006
Installation Time
(approx) 4 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
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Find Ring & Pinion Gears for your Sierra 1500
EXCEL from Richmond 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit; 4.10 Gear Ratio (99-18 Sierra 1500)Find parts that fit my vehicle
Item S506328
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$238.49
1 Reviews
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-16% $238.49 kit Was $283.91
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Rear Ring and Pinion Set
- For Daily Driver and High-Performance Uses
- Gear Ratio: 4.10
- 8.5 in. & 8.625 in. Ring Gear Diameter
- 8620 Steel Construction, Heat-Treated
- Professional Installation Suggested
- 1 Year/50,000 Mile Warranty
- Fits All 1999-2018 GMC Sierra 1500 Models
Description
Accelerate Faster. The name EXCEL is perfect for the EXCEL from Richmond 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit - 4.10 Gears. This ring gear and pinion gear set made from sturdy steel is designed to boost engine acceleration and provide that better performance you've been craving for your Sierra 1500. The 4.10 Gear Set offers a smooth rear power transfer for your daily driver or high-performance vehicle.
4.10 Ratio. This EXCEL from Richmond Rear Gear and Pinion Kit has a 4.10 gear ratio. It is made to increase acceleration without jeopardizing fuel economy.
Highly Durable. Richmond Gear constructs this Rear Ring and Pinion Duo from quality 8620 steel and uses a heat treatment process. The result is optimal strength, durability, and reliability, giving you confidence in your rig's performance. The ring gear diameter is 8.5 in. or 8.625 in., depending on your truck's rear axle.
Pro Touch. As most auto enthusiasts know, ring and pinion installations are not the easiest. Thus, it is advisable to leave the upgrade to a professional. A mechanic or shop can fit the new EXCEL Ring and Pinion Pair properly into your vehicle within roughly 4 hours.
Manufacturer's Warranty. This 8.5 in. & 8.6 in. Ring and Pinion Kit comes with a Richmond Gear warranty that spans 1 year or 50,000 miles (whichever occurs first) from the date of purchase. Safeguarding against defects in material and workmanship, this manufacturer's warranty may have limitations so it is best to read it in full.
Application. The EXCEL from Richmond 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit - 4.10 Gears is made to fit 1999-2018 GMC Sierra 1500s with 10-bolt 8.5 and 8.6 rear axles.
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Fitment:
- 1999 GMC Sierra 1500
- 2000 GMC Sierra 1500
- 2001 GMC Sierra 1500
- 2002 GMC Sierra 1500
- 2003 GMC Sierra 1500
- 2004 GMC Sierra 1500
- 2005 GMC Sierra 1500
- 2006 GMC Sierra 1500
- 2007 GMC Sierra 1500
- 2008 GMC Sierra 1500
- 2009 GMC Sierra 1500
- 2010 GMC Sierra 1500
- 2011 GMC Sierra 1500
- 2012 GMC Sierra 1500
- 2013 GMC Sierra 1500
- 2014 GMC Sierra 1500
- 2015 GMC Sierra 1500
- 2016 GMC Sierra 1500
- 2017 GMC Sierra 1500
- 2018 GMC Sierra 1500
EXCEL from Richmond GM85410
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Ring Gear
- (1) Pinion Gear
5.0
Customer Reviews (1)
Apr 27, 2022
Review shared from EXCEL from Richmond 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit; 3.42 Gear Ratio (99-18 Sierra 1500)
Chevylove88
Installation Time: Weekend
Ring and Pinion
Great product, fast shipping, and excellent price! I will not shop anywhere else!
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Reviews of EXCEL from Richmond Drivetrain products have an average rating of 4.5 out of 5
Apr 10, 2024
Review shared from EXCEL from Richmond Rear Differential Bearing Kit; 9.25-Inch (01-11 Dakota)
rudyelpaso915
Dodge ram 1500
Your bearings didn't fit my truck.now a hassle to exchange. Japan bearings to big.need 2 m504049-n.. to replace bearings that don't fit.jlm704649 don't work.runaround with Cris and Staff...WHY
Apr 10, 2024
Review shared from EXCEL from Richmond 8.8-Inch 5-Lug Axle Shaft Assembly; Rear Driver Side (97-99 F-150)
1999 - HARLEYLARRY1
Rear axleshaft
The axleshaft, bearing and seal Appear to be good quality. Was a good fit The price was right also.
Mar 23, 2024
Review shared from EXCEL from Richmond 8.8-Inch 5-Lug Axle Shaft Assembly; Rear Driver Side (97-99 F-150)
1999 - HarleyLarry
Axel shaft
Axel Shaft. appears to be made of high quality material
Jul 30, 2022
Review shared from EXCEL from Richmond 9.25-Inch Rear Axle Ring and Pinion Gear Kit; 4.56 Gear Ratio (02-10 RAM 1500)
2003 SLT - KaiB
EXCEL 4.56 gears 2003 ram 1500 4.7
I wasn’t sure if I should go with 3.92 or 4.10 gears but I finally decided to get the 4.56s, and I’m glad I did. Everyone said that with 4.56 you will lose mpgs but after driving around with them my mpg has gone from 13.9 to 15, when I’m not stomping on it ??. The torque feels great and I absolutely love them, would recommend to anyone who wants to swap out their gears.
Apr 27, 2022
Review shared from EXCEL from Richmond 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit; 3.42 Gear Ratio (99-18 Sierra 1500)
Chevylove88
Ring and Pinion
Great product, fast shipping, and excellent price! I will not shop anywhere else!
Nov 17, 2021
Review shared from EXCEL from Richmond 9.5-Inch Rear Axle Ring and Pinion Gear Kit; 4.56 Gear Ratio (07-13 Silverado 1500)
2005 LS - Say
Ring gear and Pinon
Good quality and I have to say it's exactly what I was needing thanks I will recommend everyone ??
Jan 8, 2021
Review shared from EXCEL from Richmond Rear Differential Bearing Kit; 9.25-Inch (02-10 RAM 1500)
2004 SLT - Devildriver1980
Rear end issues
Perfect fit pain in the ass but thats trucks and why we love them
Nov 23, 2020
Review shared from EXCEL from Richmond 9.75-Inch Rear Axle Ring and Pinion Gear Kit; 3.73 Gear Ratio (97-25 F-150)
2005 XLT - davelit12
RIng and Pinion
Product was shipped fast. Had it installed with no issues.
Oct 9, 2020
Review shared from EXCEL from Richmond Rear Differential Bearing Kit; 9.25-Inch (02-10 RAM 1500)
2005 - bigs84720
item not what i needed. see notes
so the description needs to change to better suit dummies like me. i needed bareings and the rear outer seal..this kit to me i thought was the right kit but in fact is inner bearings and seal kit. so did me no good
Oct 1, 2020
Review shared from EXCEL from Richmond 8.25-Inch Rear Axle Ring and Pinion Gear Kit; 4.10 Gear Ratio (02-04 RAM 1500)
2003 - Hallway
First time
This was my first time trying these gears and I a was very pleased with quality
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