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Chevrolet GM 11.5" Ring and Pinion Differential Parts |
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 Having problems with GM 11.5" rear end? We offer a complete line of rear end parts for the GM 11.5" differential.
You can purchase high  quality ring and pinion sets in various ratios, high quality
bearing rear end bearing overhaul kits including pinion bearings, pinion seal,
crush sleeve, pinion nut, shims, ring gear bolts, marking compound and gasket.
Our inventory includes ring gear and pinion sets, including aftermarket and
OE gear sets. We are able to supply axles, internal kits for open carriers that
include spider/side gears, cross hafts and trust washers, carriers, cases .
Positraction units we offer include Lockrights by Powertrax, Auburn, Detroit
Lockers, Trac Loc and ARB air lockers.
Along with our quality parts you have access to applications information
for available ring and pinion ratios, information to assist you in identification
of the differential that you have. Free information on ring and pinion installation
is provided alone with specification and carrier/case breaks when you are
considering gear ratio changes. You can review applications available to assist
you with selection of the specific positraction unit that you may need to
improve your performance.
| Applications |
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| MODEL |
YEAR
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| C/K Truck |
2001-UP
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| G Van, P-Truck |
2001-UP
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| 1 Ton All |
2001-UP
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Specification:
- 14 Bolts on Cover
- RG Diameter 11.5"
- 12 9/16" x 18 RH Threaded Bolts
- Pinion Diameter 2.005" 30 Splines
- Cases: 4.10 & Numerically Lower 4.63 & Numerically Higher
8620 Material - Heat Treated
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Ring and Pinion Part Number Tooth Count &
Ratio
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Your gears run cooler and last longer!
Order above high performance synthetic oil and friction additive
combo kit at time of order for ring and pinion or bearing overhaul kit
and pay only $63.95 plus S&H, a $69.00 value. More information synthetic oil.
Quality guaranteed performance |
| Part Number |
OE Number
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Teeth
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Ratio
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Price
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| YGM11.5-342 |
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3.42 |
$445.25 |
| GM11.5-373 |
12471452
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41-11
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3.73
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$475.25
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| GM11.5-410 |
12471453
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41-10
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4.10
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$475.25
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| GM11.5-463 |
40005991
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37-8
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4.63
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$475.25
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| GM11.5-488 |
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39-8
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4.88
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325.55
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| GM11.5-513 |
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41-8
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5.13
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TBA
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| Installation Bearing Overhaul Kits: |
| Part Number |
Description
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Price
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| R11.5R |
Bearing Kit |
$160.00
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| R11.5RT |
Bearing Kit (Timken) |
$208.88 |
| R11.5RMK |
Master Bearing Kit |
$203.83 |
| R11.5RMKT |
Master Bearing Kit (Timken) |
$249.59 |
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Ring and Pinion Sets 
