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DIFFERENTIAL COMPONENT PARTS GM 14 Bolt Ring and Pinions

 
We offer the most complete line of rear end parts for the GM 14 Bolt, this differential was utalized GM used this very popular differential in there full size Chevrolets 3/4 and 1 ton, C30, C35, K20, K25, G30, G35. Our inventory includes ring gear and pinion sets, including aftermarket and OE gear sets. We are able to supply positraction units, we offer Lockrights by Powertrax, Auburn, Detroit Lockers, Trac Loc and ARB air lockers. We are a Dana Spicer volume distributor and offer a complete line or ring gear and pinionsand differential parts.

We can provide ring gear and pinion kits, for replacing current ratios or changing differential ratio for optimizing your performance, in addition to ring and pinon gear sets we offer differential bearing kit, carrier or case replacements including spider and side gear (internal kits). Positraction units and axles are also available to upgrade your existing differential assembly.

Specifications are provided below to assist you in the identification and setup as well as torque spec's for your Chevy or GM differential.


Model Year Model

Year

3/4 Ton 1 Ton 73-92 K20, K25

73-96

G30, G35 73-96 K30, K35

73-96

C20, C25 73-96  

 

C30, C35 73-96  

 

What differential ratio do you have?

14-7/8 x 13"
14 HOLES
Irregular Gasket Pattern

SPECIFICATIONS

  • RG Diameter 10.5"
  • 12 9/16 X 18" RH Threaded Bolts
  • PINION Diameter 1.75", 30 Spline

    CASE: 4.10 & Numerically Lower, 4.56 & Numerically Higher

    8620 Material Heat-Treated

    Assembly Specifications:

  • Cover Bolt Ft. Lbs. 20
  • Pinion Brg. Preload In. Lbs 20-25
  • Pinion Brg. Preload In. Lbs 10-15 Used
  • Ring Gear Backlash .005-.009
  • Ring Gear Bolt to case Ft. Lbs. 105
  • Side Brg. Caps Ft. Lbs. 100

Differential Ring Gear and Pinion Sets  
Part Number OE Number

Ratio

Teeth

Price

 
G105342  

3.42

41-12

$365.00

 
GM10.5-373  

3.73

41-11

$241.61

Installatioin Tool, Your Cost $48.98 + S&H.

GM10.5-373OE 327721

3.73

41-11

$366.66

GM10.5-410  

4.10

41-10

$241.61

GM10.5-456  

4.56

41-09

$251.91

GM10.5-456X*  

4.56

41-09

$291.91

GM10.5-488 26054987

4.88

41-09

$291.81

GM10.5-488X*  

4.88

39-08

$266.66

GM10.5-513  

5.13

$325.65

*Fits 4.10 & Down Case

Differential Parts

Description

Part Number

Price

 
Case, Empty 10.5" Low

SUP-65-2023A

$220.11

This new Redline synthetic gear oil is recommended for replacement when replacing ring gear pinion sets and or bearings, your cost only $9.95 qt. See other Red Line Oil Products that we recommend.
Case, Empty 10.5" High

SUP-65-2023B

$220.11

Bearing Kit (1st Design) 72-88

R14R

$117.50

Bearing Kit (1st Design) 88 & DN (Timken Brg)

R14RT

$125.50

Master Bearing Kit (1st Design)72-88 (4.10 & DN)

R14RMKH

$146.56

Master Bearing kit (1st Design) 72-88 (4.10 & DN) (Timken Brg)

R14RMKHT

$156.96

Master Bearing Kit (1st Design) 72-88 (4.56 & Up)

R14RMKL

$136.86

Master Bearing Kit (1st Design) 72-Up (4.56 & Up) (Timken Brg)

R14RMKLT

$180.56

Bearing Kit (Second Design) 89 & Up

R14RL

$118.28

 
Bearing Kit (Second Design) 89 & Up (Timken Brg)

R14RLT

$131.31

 
Master Bearing Kit (Second Design) 89 & Up (4.10 & DN)

R14RLMKH

$146.66

 
Master Bearing Kit (Second Design) 89 & Up (4.10 & DN) (Timken Brg)

R14RLMKHT

$162.82

 
Master Bearing Kit (Second Design) 89 & Up (4.56 & Up)

R14RLMKL

$136.86

 
Master Bearing Kit (Second Design) 89 & Up- (Timken Brg)

R14RLMKLT

$180.60

 
R & P Installation Kit

GM10.5IK

$50.16

 
R & P Installation Kit

GM10.5IKL

$47.87

 
Internal Kit 10.5" Open (spider/side gears, cross shaft thrust washer)

SUP-85-2023

$235.55

 
Axle 31 11/16", 8 Lug 30 Spline 73-98 TRUCK, VAN, SUBURBAN L/R

3977383

$197.92

TOUGH Axles!
Superior Alloy
Induction Hardened
Rolled Splines 35% stronger than cut splines
2 Year Warranty!

Axle 37 9/16" 8 Lug 30 Spline 73-91 TRUCK, VAN, SUBURBAN

3977384

$201.88

Wheel Bearing and Seal Kit

A38/2081

$70.60

Inner Hub Bearing and Race Kit

382A/387AS

$83.73

 
Differential Cover

Full Floating Axle, 1973 up 2500 & 3500, Check to ensure that you have Full-Floating Axle it will have a 6 bolt flange holding in the pinion just behind the pinion yoke. Increase the fluid capacity to six quarts, overall height 4 1/8", you will find that the fluid will run 15 to 20 degrees cooler.

DTSGM14 Bolt 10.5"

$280.00

Differential Positraction Units

Description

Part Number

Price


Whats the difference in Positractions?

Check out Differentials whats the Difference
ARB Air Locker
RD114
$1204.59
Detroit Locker 30 Spline (install inside your case)

225S10

$548.28

Eaton Positraction 30 spline 4.56 and up, 1973 and up

19610-010

$599.00

Eaton Positraction 30 spline 4.10and down

19689-010

$$599.00

 
Gov-Loc Positraction

SUP-GL105

$492.62

 
Lockright Powertrax 30 spline

1955

$309.50

 
No-Slip Powertrax 30 spline

92-0705-3000

$485.75

 

Differential Assemblies   Drum to Drum Disk to Disk - complete assemblies including axles, ring gear, pinion, internal kit to brake flanges some units even have brakes including hubs.

Description

Part Number

Price

10.5" 14 bolt Open Carrier 3.73 Ratio Drum

SIXGM14-373

$899.98

10.5" 14 bolt Open Carrier 4.10 Ratio Drum

SIXGM14-410

$899.98

10.5" 14 bolt Locker 4.56 Ratio Drum

SIXGM14-456

$899.98

Front 9.25IFS-373 Open Carrier 3.73 Ratio

GM925IFS-373

$1099.98

General Motors 14 bolt 10,5 inch differential parts and accessories

In addition to the General Motors 14 bolt 10,5 inch differential parts and accessories listed here, we also provide an impressive list of automotive after market products for car, pickup truck, SUV and 4wd repair parts and accessories that includes rear end covers, ring and pinion gears, OE clutches and heavy duty performance clutches, diesel gauge kits, exhaust brakes, re manufactured manual transmissions and both manual and automatic overhaul kits. Other products we offer for the RV recreational vehicle market include REMCO drivelinedisconnects, tow bar and baseplates and auxiliary overdrive units to improve vehicle performance and save fuel. We have a complete 4 wheeling drivetrain product line including complete differential assemblies, limited slip and other solid locking positractions. We offer transmission conversion kits including the NV4500 and NV5600 as well as replacement kits for light duty GM and Jeep transmissions. You may be interested in visiting our Ford and Powerstroke Diesel page, Dodge Ram and other Jeep pages for detailed information.

Watch for future additions of new products to be added to our on-line catalog including advanced wheels, tires, engine tune-up kits and other accessories.

Our large
question and answer data base it's provided for you it provides additional information that may be of interest to you. Our easy to use vehicle information data base is cataloged by vehicle manufacture, part or component, to review just select Q&A data.

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If it's a part and or a components under your vehicle we can supply it!
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Considering purchasing parts from drivetrain.com and have questions contact Tech line at 1-702-876-3100 or send e-mail.
Drivetrain Specialists of Las Vegas - Las Vegas NV, 89102


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Las Vegas Nevada, 89102
(702) 876-3100