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RedHead Steering Gears 2872 Steering Box (15:1 Ratio)
PART#
2872 | SKU RH2872
★★★★★
Vehicle Fitment For:
2001-2007 GM Silverado/Sierra 2500HD/3500HD (3-Groove/33-Spline)
See full application list below
$456.00
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Description
Replace the damaged or worn steering gear in your vehicle with the RedHead Steering Gears 2872 Steering Box (15:1 Ratio). RedHead is a family-owned and operated company with more than 40 years of experience providing quality remanufactured steering boxes. Every RedHead Steering Box is remanufactured from quality materials to be better and stronger than the factory unit. Each Steering Box is built for a direct-fit installation that fits in the factory location.
Features:
- New O-Rings
- Remanufactured
- Direct-Fit Replacement
- Meets & Exceeds Factory Specs
- Shafts Are Flame Sprayed Or Replaced As Needed
- New Control Valves Installed On Some Applications
- Housing Are Machined And Needle Bearings Installed
- Sealing Surface Polished To A Higher Polish Than New
- Sector Shaft Checked On A Lathe For Straight And True
- Worm And Piston Assembled With New Precision Fit Steel Ball Bearings
SPECIFICATIONS:
Ratio: 15:1 (3 Turns)
Input: Smooth Input w/ 2 Flats & Notched
Output: 33 Spline Sector 3 Master Spline
Fittings: O-Ring
Input: Smooth Input w/ 2 Flats & Notched
Output: 33 Spline Sector 3 Master Spline
Fittings: O-Ring
Weight: 29.00 lbs
Notes:
This Unit Is For 1999-2007 Chevrolet Silverado or GMC Sierra Pickup Trucks, Suburbans, & YukonsThis
Steering Gear Box is available in a 4 Turn option which is applicable
if the vehicle is used for off-roading, has tires that are at least 37
inches in diameter, and more leverage is desired when steering (RedHead
part # 2872 4T)
Common Questions
HOW DO I BLEED, OR PURGE AIR, FROM MY STEERING GEAR BOX SYSTEM?
1. After installing the gearbox, fill the system with fluid.
2. Raise the front wheels off the ground, do not start the vehicle.
3. Work the steering wheel back and forth, lock to lock, 15-20 times.
4. Leave the vehicle sit (overnight is best) at least 2 hours
5. Top the pump reservoir off again.
6. Work the steering wheel back and forth again 7-10 times
7. Have a person in the vehicle and another at the pump reservoir with a container of fluid & funnel ready to pour if necessary.
8. Instruct the person in the vehicle to start the engine. As soon as this happens, if the fluid level drops, be ready to pour in more fluid. The level must be kept at an almost full level or it will suck in air again.
9. If this procedure is followed properly, the air problem will be solved.
2. Raise the front wheels off the ground, do not start the vehicle.
3. Work the steering wheel back and forth, lock to lock, 15-20 times.
4. Leave the vehicle sit (overnight is best) at least 2 hours
5. Top the pump reservoir off again.
6. Work the steering wheel back and forth again 7-10 times
7. Have a person in the vehicle and another at the pump reservoir with a container of fluid & funnel ready to pour if necessary.
8. Instruct the person in the vehicle to start the engine. As soon as this happens, if the fluid level drops, be ready to pour in more fluid. The level must be kept at an almost full level or it will suck in air again.
9. If this procedure is followed properly, the air problem will be solved.
WHAT POWER STEERING FLUID SHOULD I USE?
RedHead highly recommends using the same fluid that the manufacturer of your
vehicle recommends. It is always best to use a name-brand fluid. Their
power steering gears are tested under pressure with Dexron 3 ATF before
they leave the factory. If you decide to change from what the manufacturer
recommends then Dexron 3, or comparable fluid, is an acceptable alternative.
ARE REDHEAD GEARBOXES SENT OUT IN CENTER POSITION?
Yes, they are sent out on center.
Manufacturer Warranty*:
1 Year / Unlimited Mileage
1 Year / Unlimited Mileage
Instructions & Tech Info
Installation Info
Recommended Specialty Tool
Reviews For RedHead Steering Gears 2872
Overall Rating
/5
20 Reviews
Verified Buyer
2005 Duramax Redtop Steering Gear Box
05Duramax (Simi Valley, California) | March 28th, 2025
The redtop steering gear box fit perfect and my steering wheel feels like my race car. Great quality and easy to install.
Verified Buyer
Great steering box
Jon (Snohomish, WA) | June 28th, 2024
Very tight steering box that works right out of the box. No adjustments needed.
Verified Buyer
Clean tight box
Wayne (AZ) | April 20th, 2024
Clean tight box. Has no leaks, it's what you should be able to get from any company but only a few care enough to do a good job.
Verified Buyer
2006 Duramax steering box
Jesse (Nebraska) | March 18th, 2024
Really tightened up my steering. My old gearbox was shot. Install was fairly easy as well. Shipping was fast.
Verified Buyer
05' Dmax GMC: For a good turn get a Redhead.
Charlie (Jackson Louisiana) | August 11th, 2023
At 384,224 miles my OEM steering gearbox had a serious leak at the bottom shaft and a bit of wear slop. I liked the description of the Redhead Steering box with the upgrades and decided on the 15:1 ratio. It went in with out any difficulty. Of course I replaced all the hoses, pitman arm, idler, and installed a mag filter on the return line. Had no problem getting the air out by cycling the steering wheel. My truck steers like new with ease and no slack. They have my recommendation! I also enjoyed a military discount. Order 2733372A
Verified Buyer
Steering box
Alex (America) | June 12th, 2023
It helped tighten up the steering a ton and reduced the feedback to the wheel.
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Frequently Asked Questions
Is the 2827 box direct fit for 2004.5 Duramax Silverado 2500HD 4wd?
Yesm the RedHead Steering Gears 2872 Steering Box (15:1 Ratio) will work on your application.
What is the torque spec for the Pitman Arm on a 2004 Chevy Silverado 2500HD?
The torque spec for the pitman arm is 184 ft-lbs.
Does this come with new o-rings for the pressure lines?
Yes, the RedHead Steering Gears 2872 Steering Box (15:1 Ratio) does include new O-rings.
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Specifications For RedHead Steering Gears 2872
MPN
2872
SKU
RH2872
ID
105653
Manufacturer Name
RedHead Steering Gears
Shipping Weight
29.00 lb.
Shipping Length
9 in.
Shipping Width
11 in.
Shipping Height
13 in.
Fuel Type
Diesel / Gas
Manufacturer Warranty*
1 Year / Unlimited Mileage
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Internal
L23R26
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