TopTenPick

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Dana 35 fitment is not one-size-fits-all. Before selecting a locker, identify the axle’s application, C-clip status, carrier break, ring-gear ratio, shaft spline count and whether it retains factory 27-spline shafts or uses a 30-spline Super 35 conversion. A differential shop can verify this before the housing is opened.

Pick 01 of 10

ARB Air Locker RD102

A selectable locker specified for a 27-spline Dana 35 with 3.54-and-up gearing.

• 27 spline
• 3.54 and up

Pros

• selectable engagement

Cons

• needs air system

Price: $1,100–$1,400

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Pick 02 of 10

ARB Air Locker RD103

A selectable locker specified for a 27-spline Dana 35 with 3.31-and-down gearing.

• 27 spline
• 3.31 and down

Pros

• correct low-ratio carrier option

Cons

• needs compressor

Price: $1,100–$1,400

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Pick 03 of 10

Detroit Locker 162C56A

An automatic locker listed by Eaton for C-clip Dana 35 applications with 27 splines and 3.54-and-up ratios.

• 27 spline
• C-clip Dana 35

Pros

• mechanical simplicity

Cons

• on-road behaviour differs

Price: $650–$900

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Pick 04 of 10

Detroit Truetrac 912A569

A helical limited-slip differential listed for C-clip Dana 35, 27 spline and 3.54-and-up applications.

• 27 spline
• helical limited slip

Pros

• progressive traction

Cons

• not a full locker

Price: $550–$800

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Pick 05 of 10

USA Standard Gear Spartan Locker SL M35-1.5-27

A lunchbox locker whose listing specifies Dana 35, 27 splines and a 1.560 carrier.

• 27 spline
• 1.560 carrier

Pros

• lower entry cost

Cons

• requires compatible open carrier

Price: $300–$400

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Pick 06 of 10

ARB Air Locker RD105

A selectable locker for a 30-spline Dana 35 C-clip axle with 3.54-and-up ratios—an aftermarket Super 35-style shaft conversion, not stock 27 spline.

• 30 spline
• 3.54 and up

Pros

• selectable traction

Cons

• requires air system and upgraded shafts

Price: $1,299.95

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Pick 07 of 10

Yukon Zip Locker YZLM35-4-27

An air-selectable Yukon locker for Model 35 27-spline shafts and 3.54-and-up ratios.

• 27 spline
• 3.54 and up

Pros

• on-demand locking

Cons

• requires air source

Price: $1,447.89

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Pick 08 of 10

Yukon Grizzly Locker YGLM35-4-27

A mechanical full locker for Model 35 27-spline axles with 3.54-and-up gearing.

• 27 spline
• 3.54 and up

Pros

• no air or wiring

Cons

• automatic-locker road manners

Price: $1,129.89

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Pick 09 of 10

OX Locker D35-355-27

A cable-actuated selectable locker for 27-spline Dana 35 axles with 3.55-and-higher gears.

• 27 spline
• 3.55 and up

Pros

• no air compressor

Cons

• cable routing required

Price: $1,208.90

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Pick 10 of 10

Powertrax No-Slip 92-0435-2725

A 27-spline No-Slip traction system specifically for a Dana 35 Trac-Lok C-clip carrier; it is not the open-carrier version.

• 27 spline
• Trac-Lok C-clip carrier

Pros

• uses existing compatible carrier

Cons

• wrong for an open carrier

Price: $534.99

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Buying tips

• Do not order from vehicle year alone; confirm carrier, gear ratio, spline count and axle variant.
• A 30-spline Super 35 locker does not fit a factory 27-spline axle without the complete compatible conversion.
• Budget for bearings, gear setup, fluid and professional installation when required.

As an Amazon Associate and eBay Partner, toptenpick.com earns from qualifying purchases. Prices and availability are subject to change.