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AdditivesAdvance Auto Parts ShopAll Vehicle ClutchesAuto Repair ToolsAutomotive ElectricalAutomotive FluidsAutomotive OilsBumpers & Bumper AccessoriesCar LightingDirt Bike Parts & AccessoriesDiscount Starter and AlternatorEngine & Powertrain Replacement PartsJeep LightingJeep MirrorsMaintenance EquipmentMechanics ToolsPerformance Transmission & DrivetrainRareElectricalReplacement Auto PartsSide View & Towing MirrorsSuspension Parts & Components
Posi Unit(36)
Uses item details. Price when purchased online
Eaton 19587-010 Posi Unit $609.99

$60999
current price $609.99Eaton 19587-010 Posi Unit
15 out of 5 Stars. 1 reviews
LABLT 8.8 Inch Posi Unit 28 Spline Heavy Limited Slip Locker Replacement for Ford $189.55

$18955
current price $189.55LABLT 8.8 Inch Posi Unit 28 Spline Heavy Limited Slip Locker Replacement for Ford
15 out of 5 Stars. 1 reviews
Genrics GM 7.5" Posi Unit 26 Spline For Chevy GMC Eaton Style Limited-Slip Locker $180.91

$18091
current price $180.91Genrics GM 7.5" Posi Unit 26 Spline For Chevy GMC Eaton Style Limited-Slip Locker
SCITOO Rear Power-Lock Posi Unit 8.75" Sure-Grip / Power-Lock Posi Unit - 30 Spline Fits 741 742 & 489 Cases Requires 25590 Bearing & 25520 Race for Chrysler for Dodge for Plymouth $238.95

$23895
current price $238.95SCITOO Rear Power-Lock Posi Unit 8.75" Sure-Grip / Power-Lock Posi Unit - 30 Spline Fits 741 742 & 489 Cases Requires 25590 Bearing & 25520 Race for Chrysler for Dodge for Plymouth
LABLT 8.5 inch Posi Unit 28 Spline Eaton Style Limited Slip Locker 19557-010 Replacement for GM Chevy GMC $224.61

$22461
current price $224.61LABLT 8.5 inch Posi Unit 28 Spline Eaton Style Limited Slip Locker 19557-010 Replacement for GM Chevy GMC
For 71-85 Chevy Impala 8.5 Posi Unit 28 Spline Limited Slip Locker 19557-010GM $212.31

$21231
current price $212.31For 71-85 Chevy Impala 8.5 Posi Unit 28 Spline Limited Slip Locker 19557-010GM
Labwork 7.5 Posi Unit 26 Spline Limited Slip Locker Replacement for 19663-010 $186.82

$18682
current price $186.82Labwork 7.5 Posi Unit 26 Spline Limited Slip Locker Replacement for 19663-010
Trac Lok Limited Slip Differential Posi Unit 28 Spline Direct Replacement for 9" Ford Rear End Differential Upgrade Enhanced Traction Off Road Towing Performance Partsl $339.00

$33900
current price $339.00Trac Lok Limited Slip Differential Posi Unit 28 Spline Direct Replacement for 9" Ford Rear End Differential Upgrade Enhanced Traction Off Road Towing Performance Partsl
Mustrod Trac-Lock Posi Unit Limited-Slip 3.55 Gear Ratio 28 Spline For Ford 8" F8-355-PGBK $188.00

$18800
current price $188.00Mustrod Trac-Lock Posi Unit Limited-Slip 3.55 Gear Ratio 28 Spline For Ford 8" F8-355-PGBK
maXpeedingrods 8.2" Posi Unit 28 Spline 10-Bolt Limited-Slip Locker for Chevy Chevelle 1964-1972, Impala 1965-1972, Caprice 1966-1971, Camaro 1967-1971, Chevy II 1964-1968, El Camino 1964-1971 $208.99

$20899
current price $208.99maXpeedingrods 8.2" Posi Unit 28 Spline 10-Bolt Limited-Slip Locker for Chevy Chevelle 1964-1972, Impala 1965-1972, Caprice 1966-1971, Camaro 1967-1971, Chevy II 1964-1968, El Camino 1964-1971
Waltyotur 7.5inch Posi Unit 26 Spline 10-Bolt Limited Slip Locker Differential Replacement for Silverado Suburban Escalade 19663-010 $183.73

$18373
current price $183.73Waltyotur 7.5inch Posi Unit 26 Spline 10-Bolt Limited Slip Locker Differential Replacement for Silverado Suburban Escalade 19663-010
Clearance Maxpeedingrods 8.5" 8.6" Posi Unit 30 Spline 10 Bolts Eaton Style Limited-Slip Locker for GMC $214.99 Was $314.99

Now$21499
current price Now $214.99, Was $314.99$314.99
Maxpeedingrods 8.5" 8.6" Posi Unit 30 Spline 10 Bolts Eaton Style Limited-Slip Locker for GMC
SCITOO Rear Heavy-Duty Posi Unit 8.875" Car 12-Bolt 30 Spline 3.08 to 3.90 Gear Ratios(3 Series) for Chevrolet for GMC for Oldsmobile for Pontiac $236.85

$23685
current price $236.85SCITOO Rear Heavy-Duty Posi Unit 8.875" Car 12-Bolt 30 Spline 3.08 to 3.90 Gear Ratios(3 Series) for Chevrolet for GMC for Oldsmobile for Pontiac
EPOTOOR 19663-010 7.5inch Posi Unit 26 Spline 10-Bolt Limited Slip Locker Differential Replacement for Silverado Suburban Escalade $188.99

$18899
current price $188.99EPOTOOR 19663-010 7.5inch Posi Unit 26 Spline 10-Bolt Limited Slip Locker Differential Replacement for Silverado Suburban Escalade
SHZAITOR 7.5inch Posi Unit 26 Spline Limited Slip Locker Differential Replacement for 19663-010 $181.65

$18165
current price $181.65SHZAITOR 7.5inch Posi Unit 26 Spline Limited Slip Locker Differential Replacement for 19663-010
9" Inch 31 Spline Posi Unit - Trac Lok Loc - Traction Lock For Ford $215.00

$21500
current price $215.009" Inch 31 Spline Posi Unit - Trac Lok Loc - Traction Lock For Ford
ALL-CARB 19663-010 7.5inch Posi Unit 26 Spline 10-Bolt Limited Slip Locker Differential Replacement for Silverado Suburban Escalade $184.67

$18467
current price $184.67ALL-CARB 19663-010 7.5inch Posi Unit 26 Spline 10-Bolt Limited Slip Locker Differential Replacement for Silverado Suburban Escalade
Fithood New 8.5" 8.6" Posi Unit 30 Spline 10 Bolts Limited-Slip Locker for Chevroletf Silverado 1500 1999-2017 for GMC $291.43

$29143
current price $291.43Fithood New 8.5" 8.6" Posi Unit 30 Spline 10 Bolts Limited-Slip Locker for Chevroletf Silverado 1500 1999-2017 for GMC
Reduced price CCIYU 19603010 8.2 Posi Unit 28 Spline 10-Bolt Rear Limited-Slip Locker 1964-1972 fits for Chevrolet,Bel Air,Biscayne,Camaro,Caprice,Chevelle,for Chevy II,El Camino,Impala,Monte Carlo,Nova $166.31 Was $195.66

Now$16631
current price Now $166.31, Was $195.66$195.66
CCIYU 19603010 8.2 Posi Unit 28 Spline 10-Bolt Rear Limited-Slip Locker 1964-1972 fits for Chevrolet,Bel Air,Biscayne,Camaro,Caprice,Chevelle,for Chevy II,El Camino,Impala,Monte Carlo,Nova
New 8.5"/8.6" 30 Spline 10-Bolt Posi Unit Limited-Slip Locker for Chevrolet Silverado 1500 1999-2017 & GMC - Eaton Style, 2.73 Ratio, OEM: 542022, 19559-010 $312.12

$31212
current price $312.12New 8.5"/8.6" 30 Spline 10-Bolt Posi Unit Limited-Slip Locker for Chevrolet Silverado 1500 1999-2017 & GMC - Eaton Style, 2.73 Ratio, OEM: 542022, 19559-010
Ford 9 Inch 28 Spline Trac-Lok Positraction Differential Clutch-Type Limited Slip Posi Unit, 4 Pinion Design Rear End Traction Lock Compatible with All Ratios, Silver $359.00

$35900
current price $359.00Ford 9 Inch 28 Spline Trac-Lok Positraction Differential Clutch-Type Limited Slip Posi Unit, 4 Pinion Design Rear End Traction Lock Compatible with All Ratios, Silver
SEBLAFF 7.5inch Posi Unit 26 Spline Limited Slip Locker Differential Replacement for 19663-010 $181.65

$18165
current price $181.65SEBLAFF 7.5inch Posi Unit 26 Spline Limited Slip Locker Differential Replacement for 19663-010
munirater 7.5inch Posi Unit 26 Spline Limited Slip Locker Differential 19663-010 Replacement for Chevy GMC $181.65

$18165
current price $181.65munirater 7.5inch Posi Unit 26 Spline Limited Slip Locker Differential 19663-010 Replacement for Chevy GMC
15 out of 5 Stars. 1 reviews
SEBLAFF 7.5inch Posi Unit 26 Spline 10-Bolt Limited Slip Locker Differential Replacement for Silverado Suburban Escalade 19663-010 $192.76

$19276
current price $192.76SEBLAFF 7.5inch Posi Unit 26 Spline 10-Bolt Limited Slip Locker Differential Replacement for Silverado Suburban Escalade 19663-010
A-Premium Rear Differential Assembly Compatible with Ford 9" Posi Unit 4-Pinion 31 Spline 10 Bolt $281.99

$28199
current price $281.99A-Premium Rear Differential Assembly Compatible with Ford 9" Posi Unit 4-Pinion 31 Spline 10 Bolt
A-Premium Rear Limited Slip Locker Differential Compatible with Ford 8.88" Posi Unit 28-Spline 10-Bolt Heavy Duty, Replace# 19605-010 $258.99

$25899
current price $258.99A-Premium Rear Limited Slip Locker Differential Compatible with Ford 8.88" Posi Unit 28-Spline 10-Bolt Heavy Duty, Replace# 19605-010
New 8.5" 8.6" Posi Unit 30 Spline 10 Bolts Limited-Slip Locker for Chevrolet Silverado 1500 1999-2017 for GMC $189.76

$18976
current price $189.76New 8.5" 8.6" Posi Unit 30 Spline 10 Bolts Limited-Slip Locker for Chevrolet Silverado 1500 1999-2017 for GMC
9" Inch Fit Ford 28 Spline Posi Unit - Trac Lok Loc - Traction Lock 542043 $235.00

$23500
current price $235.009" Inch Fit Ford 28 Spline Posi Unit - Trac Lok Loc - Traction Lock 542043
cciyu Limited-Slip Posi Differential For Chrysler Mopar 8-3/4 Sure-Grip/Power-Lock Posi Unit - 30 Spline 8.75 $220.38

$22038
current price $220.38cciyu Limited-Slip Posi Differential For Chrysler Mopar 8-3/4 Sure-Grip/Power-Lock Posi Unit - 30 Spline 8.75
LABLT 7.5" Posi Unit 26 Spline Limited Slip Locker Fit For Chevy GMC 19663-010 $182.85

$18285
current price $182.85LABLT 7.5" Posi Unit 26 Spline Limited Slip Locker Fit For Chevy GMC 19663-010
SCITOO 19603-010 For 1965-1972 For GM 8.2" For Chevy Limited-Slip Posi Unit - 28 Spline 10 Bolt 19603-010 For Chevrolet $168.44

$16844
current price $168.44SCITOO 19603-010 For 1965-1972 For GM 8.2" For Chevy Limited-Slip Posi Unit - 28 Spline 10 Bolt 19603-010 For Chevrolet
For Ford 31 Spline Posi Unit 9 Inch Trac Lok Loc Traction Lock $176.35

$17635
current price $176.35For Ford 31 Spline Posi Unit 9 Inch Trac Lok Loc Traction Lock
A-Premium Rear Limited-Slip Locker Compatible with 8" Ford 28 Spline Posi Unit, Heavy Duty 4-Pinion $308.99

$30899
current price $308.99A-Premium Rear Limited-Slip Locker Compatible with 8" Ford 28 Spline Posi Unit, Heavy Duty 4-Pinion
New 8.5"/8.6" 30 Spline 10-Bolt Posi Unit Limited-Slip Locker for Chevrolet Silverado 1500 1999-2017 & GMC - Eaton Style, 2.73 Ratio, OEM: 542022, 19559-010 $396.00

$39600
current price $396.00New 8.5"/8.6" 30 Spline 10-Bolt Posi Unit Limited-Slip Locker for Chevrolet Silverado 1500 1999-2017 & GMC - Eaton Style, 2.73 Ratio, OEM: 542022, 19559-010
PET-U 7.5 Posi Unit 26 Spline Limited Slip Locker Replacement for 19663-010

PET-U 7.5 Posi Unit 26 Spline Limited Slip Locker Replacement for 19663-010
A-Premium Rear Differential Assembly Compatible with Ford 9" Posi Unit 4-Pinion 28 Spline 10 Bolt

A-Premium Rear Differential Assembly Compatible with Ford 9" Posi Unit 4-Pinion 28 Spline 10 Bolt
Other options to consider(274)
Posi Lock Puller,Hydraulic,12 Ton PHS-108 $1,475.15

$1,47515
current price $1,475.15Posi Lock Puller,Hydraulic,12 Ton PHS-108
DETROIT LOCKER-TRACTECH Service Kits (POSI) Preload Kit $157.73

$15773
current price $157.73DETROIT LOCKER-TRACTECH Service Kits (POSI) Preload Kit
LABLT 8.5inch 8.6inch Limited Slip Locker Posi 30 Spline Limited Slip Differential with 10 Bolt Replacement for Chevy GM Part Number 19559-010 $216.47

$21647
current price $216.47LABLT 8.5inch 8.6inch Limited Slip Locker Posi 30 Spline Limited Slip Differential with 10 Bolt Replacement for Chevy GM Part Number 19559-010
Powr-Lok Sure-Grip Posi Differential Replacement for Chrysler 8-3/4, PC8.75-AGRS, 30 Spline, Fits 741/742/489 Cases - Heavy-Duty Differential Upgrade $290.06

$29006
current price $290.06Powr-Lok Sure-Grip Posi Differential Replacement for Chrysler 8-3/4, PC8.75-AGRS, 30 Spline, Fits 741/742/489 Cases - Heavy-Duty Differential Upgrade
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