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Affect the turning ability of the vehicle and make it feel unstable; 4. Whining noises; 2. The internal gears on the Locker will override each other to allow this distinction.
The gear starts to wear, which may cause a humming sound when the gear is grinding. Install - the lunchbox locker replaces the factory spider gears inside of the stock carrier. If you have any questions about the product before or after the purchase, you can contact us at any time. Our products provide lifetime warranty service. Designed to power the wheels with maximum traction and will help you get where you want to go.



Creates increased traction performance! Our locker is designed for open differentials of dana 30 with 27 spline type front axles. Compatible with XD-13027. We are confident you will reach the summit! Reinforced steel manufacturing; strength and endurance tested.





1. USA Standard Gear
#ad
USA Standard Gear Spartan Locker for Dana 30 Differential 27 Spline SL D30-27
#adUSA Standard Gear #ad - Easy drop-in installation:Replaces your spider gears. Average installation time is 4 hours. Warranty: backed by a five year warranty against manufacturing defects. High strength steel: Made from 9310 steel for incredible durability and longetivity.More information #ad
No crazy diff work required. If purchasing this unit for a non-rubicon JK front, you will also need to purchase carrier case part number YC D706008. Quality: heat treated and precision cut teeth ensure long life and performance. Fitment: fits the dana 30 differential, 27 spline.Brand | USA Standard Gear #ad |
Manufacturer | Yukon Gear #ad |
Height | 0 Inches |
Length | 0 Inches |
Weight | 4.65 Pounds |
Width | 0 Inches |
Part Number | SL D30-27 |
Model | SL D30-27 |
Warranty | 5 year warranty against Manufacturer defects |
More information #ad
2. Gelessy
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Compatible with Jeep Replacement Differential Assembly Kits, Differential Locker SL D30-27 Compatible with Dana 30 Differential 27 Spline
#adGelessy #ad - Function - the operation of differential Locker is fully automatic. Effect - when driving in a straight line, similar to a spool. Failure performance - 1. Warranty - verify the part number you need before placing an order. This means that when you install a lunchbox locker you don’t need to reset your backlash.Affect the turning ability of the vehicle and make it feel unstable; 4. Whining noises; 2. The internal gears on the Locker will override each other to allow this distinction.
More information #ad
The tires are worn prematurely; 3. The drive shaft starts to vibrate; 5. However, locker will lock the axles together, when the wheels need to be differentiated during a turn, Locker will allow the outer wheels to rotate faster to complete the turn. The gear starts to wear, which may cause a humming sound when the gear is grinding. Install - the lunchbox locker replaces the factory spider gears inside of the stock carrier. If you have any questions about the product before or after the purchase, you can contact us at any time. Our products provide lifetime warranty service. Designed to power the wheels with maximum traction and will help you get where you want to go.
Brand | Gelessy #ad |
Manufacturer | Gelessy #ad |
Part Number | SL D30-27 |
Model | SL D30-27 |
More information #ad
3. Aussie Locker
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Aussie Locker XD-13027 for Dana 30 7.2-Inch 27 Axle Spline Locker
#adAussie Locker #ad - The aussie locker xd-13027 is the most advanced traction added Automatic Precision Locker in the world today. The aussie locker will not work in posi or limited slip carriers.More information #ad
You get 100 percent traction performance rather than 40-60 percent with a posi or LSD. The xd13027 is not designed to fit the D30A aluminum housing differential. All aussie lockers are designed for installation in an open differential.Brand | Aussie Locker #ad |
Manufacturer | Aussie Locker #ad |
Height | 3 Inches |
Length | 9 Inches |
Weight | 5 Pounds |
Width | 6 Inches |
Part Number | XD-13027 |
Model | XD-13027 |
More information #ad
4. Spartan Locker
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Spartan Locker Helical Limited Slip Differential Worm Gear Positraction Dana 30 Front 27 Spline 3.73 & Up SL D30-4-27-LSD
#adSpartan Locker #ad - Metallurgy: forged 8620 Steel Alloy Case and Internals for Superior Durability. Maintenance free: Maintenance Free, No Worry Performance. Gear oil: recommended gear oil: use non-Synthetic 80w-90 gl-5.More information #ad
Use of friction Modifiers Not Recommended. Smooth traction: Smooth Engagement and Linear Traction. Fitment: dana 30 front 27 Spline, 3. 73+ ratio.Brand | Spartan Locker #ad |
Manufacturer | Spartan Locker #ad |
Part Number | SL D30-4-27-LSD |
Model | SL D30-4-27-LSD |
Warranty | 1-year warranty against manufacturing defects |
More information #ad
5. Sylvan
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Sylvan Reinforced Automotive Climb Master Second Edition Differential Locker 4x4 Wheel Compatible with Jeep Dana 30 Spline 27
#adSylvan #ad - Not compatible with d30a. The sylvan climb master 2. 0 reinforced pro locker fits compatible with jeeps that have a Dana 30 Front Axle.Creates increased traction performance! Our locker is designed for open differentials of dana 30 with 27 spline type front axles. Compatible with XD-13027. We are confident you will reach the summit! Reinforced steel manufacturing; strength and endurance tested.
More information #ad
Durable, reliable next level performance locker! Full 2 year warranty - No question asked money back guarantee! When installed you will find a drastically increased traction level of climbing and 4-wheeling.Brand | Sylvan #ad |
Manufacturer | Sylvan #ad |
Part Number | LCK200 |
More information #ad
6. Spartan Locker
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Spartan Locker for Dana 44 Differential with 19 Spline Count, Includes Heavy-Duty Cross Pin Shaft
#adSpartan Locker #ad - Replaces the spiders in a standard carrier case. Made from 9310 steel for added strength. Fits dana spicer 44 with 19 spline axles.More information #ad
Brand | Spartan Locker #ad |
Manufacturer | Spartan Locker #ad |
Height | 3 Inches |
Length | 12 Inches |
Width | 6 Inches |
Part Number | SL D44-19 |
Model | SL D44-19 |
Warranty | 1 year warranty against manufacturer defects. |
More information #ad
7. Yukon
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Yukon YZLD30-4-27 Zip Locker for Dana 30 27-Spline
#adYukon #ad - 8620 steel internals for Superior Strength. Assembled in the USA. Forged Steel Case. 6 year Warranty. Provides Traction on Demand.More information #ad
Brand | Yukon #ad |
Manufacturer | Yukon Gear #ad |
Height | 0 Inches |
Length | 0 Inches |
Weight | 19.7 Pounds |
Width | 0 Inches |
Part Number | YZLD30-4-27 |
Model | YZLD30-4-27 |
More information #ad
8. Eaton
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Eaton 912A585 Detroit Truetrac 27 Spline Differential for Dana 30
#adEaton #ad - Ring gear size: 7. 2 in, ring gear Ratio: 3. 73 & up. Axle description: dana 30, wrangler jk ; Axle Location: Front ; Axle Shaft Diameter: 1. 16 inches. Catalog notes: Applies to non-disconnect only. Differential type: limited slip LSD; Gear Spline Tooth Count: 27 EA.More information #ad
Brand | Eaton #ad |
Manufacturer | Eaton #ad |
Height | 0 Inches |
Length | 0 Inches |
Weight | 17.33 Pounds |
Width | 0 Inches |
Part Number | 912A585 |
Model | 912A585 |
More information #ad
9. Yukon Gear & Axle
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Yukon Gear & Axle YGLD30-4-27 Grizzly locker for Dana 30, 27 spline, 3.73 & up.
#adYukon Gear & Axle #ad - 1 year Warranty. 8620 steel Internals. Assembled in the USA. Patented internal Design Reduces Common Locker Failures.More information #ad
Brand | Yukon Gear & Axle #ad |
Manufacturer | Yukon Gear #ad |
Height | 0 Inches |
Length | 0 Inches |
Weight | 16.11 Pounds |
Width | 0 Inches |
Part Number | YGLD30-4-27 |
Model | YGLD30-4-27 |
More information #ad
10. Yukon Gear
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Yukon Gear & Axle YDGD44-3-30-1 30-Spline Dura Grip Positraction for Dana 44 with 3.73 & DOWN Axle Ratio
#adYukon Gear #ad - Each unit carries a one year warranty against defects. Fit type: Vehicle Specific. The yukon dura grip provides aggressive yet smooth traction to give you the confidence and performance you need. All units are rebuildable and many offer upgrades to increase aggressiveness for racing applications.More information #ad
Get longer life and better traction with the heavy duty Yukon Dura Grip positraction. The yukon dura grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life.Brand | Yukon Gear #ad |
Manufacturer | Yukon Gear #ad |
Height | 0 Inches |
Length | 0 Inches |
Weight | 21 Pounds |
Width | 0 Inches |
Part Number | YDGD44-3-30-1 |
Model | YDGD44-3-30-1 |
Warranty | 1 year warranty against Manufacturer defects |
More information #ad