U.S. Gear Corporation, 9420 Stony Island Ave., Chicago, IL  60617 -- Phone 888-874-3275

GM 7.25", 7.5" & 7.625", 8", 8.25"

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Torq-Line Light Duty

(OEM) GM 7.25 FRONT (83-99)
R.G. Diameter 7.25"
10 Bolt Ring Gear
Pinion Diameter 1.313" 27 Spline
3.08 Case & 3.42-4.10 Case Split
Vehicle Model Year
T,L, BRAVADA 83-98

          

 

(OEM) GM 7.25" FRONT RING & PINIONS
PART # TEETH RATIO
26039760 40-13 3.08
26039764 41-12 3.42
26035261 41-11 3.73
14071743 41-10 4.10

 

GM 7.25" INSTALLATION COMPONENTS
PART # DESCRIPTION
14042628 EMPTY OPEN CASE FITS 3.08 ONLY
14039596 OPEN CASE (EMPTY)
01-725100 R&P INSTALLATION KIT
01-725115 INST.KIT W/BEARINGS
14056135/10 RING GEAR BOLT KIT

 

(OEM & TORQ-LINE) GM 7.5" & 7.625"
R.G. Diameter 7.5" & 7.625"
10 Bolt 7/16 X 20 LH
10 Bolt Cover
Pinion Diameter 1.438" 27 Spline
3.08 & Numerically Lower
3.23 & Numerically Higher
Vehicle Model Year
S-SERIES PICKUP, & BLAZER 79 & UP

    

 

GM 7.5" & 7.625" RING & PINIONS
PART # TEETH RATIO
26043281 OE 41-15 2.73
14048380 T/L 40-13 3.08
26026781 OE 40-13 3.08
26046641 OE 42-13 3.23
14085349 OE 41-12 3.42
14048378 T/L 41-12 3.42
14048378X 41-12 3.42 THICK
14048379 T/L 41-11 3.73
26036813 OE 41-11 3.73
14048379X 41-11 3.73 THICK
26014585 OE 41-10 4.1
14059087 T/L 41-10 4.1
14059087X 41-10 4.10 THICK
GM75/430 43-10 4.3
GM75/456* 41-09 4.56
GM75/456X* 41-09 4.56 THICK
* requires modified cross shaft.
(our Torq-Line thick gears fit 3.08 & numerically lower case)

 

GM 7.5" & 7.625 INSTALLATION COMPONENTS
PART # DESCRIPTION
01-075528HD TRAC-LOC 28 SPL. 3.23 & UP
GM75/0926 26 SPL.OPEN DIFF KIT (FITS LATE CASE)
GM75/0928 OPEN DIFFERENTIAL INTERNAL KIT. 28 SPL.
01-075100 R&P INSTALLATION KIT
01-075115 INST.KIT W/ BEARINGS
14035368 AXLE,83-89 4WD S-SERIES 26 SPL.L&R, 29-1/8" 5L
14074821 AXLE,85-89 ASTRO VAN 2WD 26 SPL.34 3/4" 5L,LH
14074822 AXLE,85-89 ASTRO VAN 2WD 26 SPL.30 5/16" RH
26011054 AXLE,90-98 ASTRO VAN, 2&4WD,28 SPL.34 3/4" LS
26011055 AXLE,90-98 ASTRO VAN, 2&4WD,28 SPL.30 5/16"RS
26013882 AXLE,88-94 4WD S-SERIES, 28 SPL.L&R 29" 5LUG
26015259 AXLE,2WD,28 SPN,26 9/16 5L R&L
26026248 OPEN CASE, 2.73- 3.08
26033477 OPEN CASE, 3.23 & UP
14066913/10 RING GEAR BOLT SET
15305 PINION SEAL
1260823 PINION NUT
9785792 COLLAR
SH1012 PINION SHIM SET
181056 GASKET

(OEM) GM 8" REAR ENVOY, TRAIL BLAZER, BRAVADA (2002+) 2 & 4 WD
PART # TEETH RATIO
40001436 41-12 3.42
40001437 41-11 3.73
40001438 41-10 4.10
     
40016076   DIFF LOCKER ASSM. (ALL RATIOS)

 

(OEM) GM 8.25" IFS (88-99)
R.G. Diameter 8.25"
10 Bolt 7/16 X 20 LH
Pinion Diameter 1.625" 30 Spline
No Case Split
Vehicle Model Year
BLAZER & SUBURBAN 91-99
K-15 88-99

 

OEM GM 8.25" RING & PINIONS (IFS)
PART # TEETH RATIO
15588322 41-12 3.42
15588321 41-11 3.73
15588323 41-10 4.10

 

GM 8.25" IFS INSTALLATION COMPONENTS
PART # DESCRIPTION
26018131 OPEN CASE
26019566 L.H. SIDE GEAR
26021111 R.H. SIDE GEAR
26051480 PINION GEAR
01-825100 R&P INSTALLATION KIT
01-825115 INST.KIT W/BEARINGS
14066913/10 RING GEAR BOLT KIT

 

 


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Last modified: 10/18/06