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$224.95

USA Standard Gear SL GM8.5-28 GM 8.5" Differential-28 Spline Axles Spartan Locker

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1K+

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$224.95

USA Standard Gear SL GM8.5-28 GM 8.5" Differential-28 Spline Axles Spartan Locker

Amazon.com

1K+

$560.00

Eaton 913A481 Detroit Truetrac 8.5" 30 Spline Differential With 10 Bolt For GM

Amazon.com

184

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$560.00

Eaton 913A481 Detroit Truetrac 8.5" 30 Spline Differential With 10 Bolt For GM

Amazon.com

184

$181.45

WFLNHB Posi 26 Spline Limited Slip Locker Differential W/Carrier Bearings/Races 7.5 Inch Replacement For Chevy GMC 10-Bolt 19663-010

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$181.45

WFLNHB Posi 26 Spline Limited Slip Locker Differential W/Carrier Bearings/Races 7.5 Inch Replacement For Chevy GMC 10-Bolt 19663-010

Amazon.com

$1,726.09

Genuine GM Front Electronic Locking Differential 23403917

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$1,726.09

Genuine GM Front Electronic Locking Differential 23403917

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$311.37

Monkey Grip Posi Limited-Slip Differential - Gm 10 Bolt 8.5 - 30

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$311.37

Monkey Grip Posi Limited-Slip Differential - Gm 10 Bolt 8.5 - 30

eBay

$501.99

Powertrax Lock Right Locking Differential GM 8.2 10-Bolt

JEGS High Performance

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$501.99

Powertrax Lock Right Locking Differential GM 8.2 10-Bolt

JEGS High Performance

$339.99

Powertrax Lock Right Locking Differential GM 8.5" 10 Bolt

JEGS High Performance

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$339.99

Powertrax Lock Right Locking Differential GM 8.5" 10 Bolt

JEGS High Performance

$50.40

$84.00

GM Genuine Parts 22828388 Locking Differential Cam

shamanicifs

39% off

$50.40

$84.00

GM Genuine Parts 22828388 Locking Differential Cam

shamanicifs

$579.99

Powertrax Lock Right Locking Differential GM 7 5/8" 10 Bolt

JEGS High Performance

641

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$579.99

Powertrax Lock Right Locking Differential GM 7 5/8" 10 Bolt

JEGS High Performance

641

$380.00

$901.89

Yukon Gear & Axle Dura Grip Limited Slip Differential Positraction, 30-Spline, 3.73 & Down Ratios, Compatible With Dana 44 Axle, YDGD44-3-30-1

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1K+

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57% off

$380.00

$901.89

Yukon Gear & Axle Dura Grip Limited Slip Differential Positraction, 30-Spline, 3.73 & Down Ratios, Compatible With Dana 44 Axle, YDGD44-3-30-1

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1K+

$191.29

$240.36

For GM 8.5" 10-Bolt Chevy Posi Unit -28 Spline LSD Limited-Slip Diff Locker

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20% off

$191.29

$240.36

For GM 8.5" 10-Bolt Chevy Posi Unit -28 Spline LSD Limited-Slip Diff Locker

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$165.25

$174.99

Motive Gear GM7.5-355A Differential Ring And Pinion 3.55 Ratio For GM 7.5"/7.625" (10 Bolt), Compatible With 1973-2008 Buick, Chevrolet, GMC,

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$165.25

$174.99

Motive Gear GM7.5-355A Differential Ring And Pinion 3.55 Ratio For GM 7.5"/7.625" (10 Bolt), Compatible With 1973-2008 Buick, Chevrolet, GMC,

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$132.19

Genuine GM 1991-2002 Chevrolet Cadillac Locking Differential Side Gear 15599648

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$132.19

Genuine GM 1991-2002 Chevrolet Cadillac Locking Differential Side Gear 15599648

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$175.86

Limited-Slip Locker For Chevy Gm 7.5" 7.625" 28 Spline Axles 10-Bolt

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$175.86

Limited-Slip Locker For Chevy Gm 7.5" 7.625" 28 Spline Axles 10-Bolt

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$183.33

28 Spline LSD Limited-Slip Diff Locker For Chevy GM 8.5"" 10-Bolt Applicatons

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$183.33

28 Spline LSD Limited-Slip Diff Locker For Chevy GM 8.5"" 10-Bolt Applicatons

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$174.39

Genuine GM Locking Differential Governor 14022135. GM Genuine Parts. Additional Differential Parts. 14022135.

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$174.39

Genuine GM Locking Differential Governor 14022135. GM Genuine Parts. Additional Differential Parts. 14022135.

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$186.92

$373.84

For GM Chevy 8.2"Posi Unit 28 Spline 10-Bolt Limited-Slip Locker Diff LSD

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50% off

$186.92

$373.84

For GM Chevy 8.2"Posi Unit 28 Spline 10-Bolt Limited-Slip Locker Diff LSD

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$242.99

Limited Slip Diff Fits 30 Spline GM 8.5/8.6 in 2.73 & Up Differential Carrier

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$242.99

Limited Slip Diff Fits 30 Spline GM 8.5/8.6 in 2.73 & Up Differential Carrier

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$575.00

GM 8.5"" Chevy 10 Bolt Rearend Yukon Duragrip Posi LSD Differential YDGGM8.5-3-28

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$575.00

GM 8.5"" Chevy 10 Bolt Rearend Yukon Duragrip Posi LSD Differential YDGGM8.5-3-28

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$677.77

Eaton Detroit Truetrac Posi Differential Gm 8.5" 10-Bolt 30 Spline -

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$677.77

Eaton Detroit Truetrac Posi Differential Gm 8.5" 10-Bolt 30 Spline -

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$166.99

$188.99

Motive Gear GM10-373A Differential Ring & Pinion Set, 3.73 Ratio, 30-Spline, 10-Bolt, Fits GM 8.5"/8.625", Compatible For Chevrolet, GMC, Cadillac,

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11% off

$166.99

$188.99

Motive Gear GM10-373A Differential Ring & Pinion Set, 3.73 Ratio, 30-Spline, 10-Bolt, Fits GM 8.5"/8.625", Compatible For Chevrolet, GMC, Cadillac,

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$154.65

$218.81

OEM GM | Locking Differential Side Gear | 15599648

AutoNation Parts

29% off

$154.65

$218.81

OEM GM | Locking Differential Side Gear | 15599648

AutoNation Parts

$534.99

Rear Gear Differential Assembly For Gmc Yukon Gm 8.5" 10-Bolt 30

eBay

$534.99

Rear Gear Differential Assembly For Gmc Yukon Gm 8.5" 10-Bolt 30

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$488.45

GM 8.5"" Chevy 10 Bolt Yukon Duragrip Posi LSD Differential 30 Spline W/Bearings

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$488.45

GM 8.5"" Chevy 10 Bolt Yukon Duragrip Posi LSD Differential 30 Spline W/Bearings

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$73.77

$118.20

GM Locking Differential Governor 84575906

Quirk Parts

37% off

$73.77

$118.20

GM Locking Differential Governor 84575906

Quirk Parts

$51.67

$67.99

NOS Genuine GM 10 Bolt Locking Differential Side Gear L/H 28 Spline 15599619

eBay

24% off

$51.67

$67.99

NOS Genuine GM 10 Bolt Locking Differential Side Gear L/H 28 Spline 15599619

eBay

$582.99

GM 8.5/8.6 in. Auburn Gear Grip-N-Loc Differentials - 28 Spline Quantity | Auburn Gear Inc 546050

Summit Racing

497

Free shipping

$582.99

GM 8.5/8.6 in. Auburn Gear Grip-N-Loc Differentials - 28 Spline Quantity | Auburn Gear Inc 546050

Summit Racing

497

$139.42

$223.36

Genuine GMC Sierra 1500 Locking Differential Governor 12471530

Classic Chevrolet Sugarland

37% off

$139.42

$223.36

Genuine GMC Sierra 1500 Locking Differential Governor 12471530

Classic Chevrolet Sugarland

$534.94

913A481 Rear Gear Differential Assembly For GMC Yukon GM 8.5"" 10-Bolt 30 Spline

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$534.94

913A481 Rear Gear Differential Assembly For GMC Yukon GM 8.5"" 10-Bolt 30 Spline

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$365.00

GM 8.5" 10-Bolt Posi - 30 Spline - Limited Slip - NEW - Rearend Differential LSD

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$365.00

GM 8.5" 10-Bolt Posi - 30 Spline - Limited Slip - NEW - Rearend Differential LSD

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$138.78

$223.36

2019 GMC Sierra 1500 Limited Locking Differential Governor 12471530

Quirk Parts

37% off

$138.78

$223.36

2019 GMC Sierra 1500 Limited Locking Differential Governor 12471530

Quirk Parts

$147.54

$208.75

OEM GM | Locking Differential Governor | 14022135

AutoNation Parts

29% off

$147.54

$208.75

OEM GM | Locking Differential Governor | 14022135

AutoNation Parts

$666.42

$883.14

2017-2022 Chevrolet Colorado Electronic Locking Differential 84366616

Quirk Parts

24% off

$666.42

$883.14

2017-2022 Chevrolet Colorado Electronic Locking Differential 84366616

Quirk Parts

$397.99

Richmond Gear | Powertrax Lock-Right Locker 10 Bolt Positive-Locking Differential 8.5" Ring Gear 28 Spline Axle Open Case | LR1920 For 1979 GMC K1500 Suburban

Classic Industries

$397.99

Richmond Gear | Powertrax Lock-Right Locker 10 Bolt Positive-Locking Differential 8.5" Ring Gear 28 Spline Axle Open Case | LR1920 For 1979 GMC K1500 Suburban

Classic Industries

$102.59

$139.52

Detroit Locker 911A415 Trutrac Differential With 26 Spline For GM 7.5

TekCypher.com

26% off

$102.59

$139.52

Detroit Locker 911A415 Trutrac Differential With 26 Spline For GM 7.5

TekCypher.com

$545.80

Genuine GM Limited Slip Differential 23404628

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$545.80

Genuine GM Limited Slip Differential 23404628

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8:58

MailCase In-Ground Post Installation Instructions

13.7K viewsMar 26, 2009

YouTubeMailCaseMailbox

A Closer Look At The Automatic Locking Rear Diff On The GMC Sie…

Feb 18, 2016

gmauthority.com