For Chevy GMC GM 8.5\" 8.6\" Posi Unit 30 Spline Eaton-Style Limited-Slip Locker For Sale

Description

Berliii

For Chevy GMC GM 8.5" 8.6" Posi Unit 30 Spline Eaton-Style Limited-Slip Locker

Description

• 100% New and High Quality
• Direct Replacement
• 1 Year Warranty
• Type:Transfer Case
• Differential Type:Limited-Slip
• Fitment Type:Direct Replacement
• Superseded Part Number:8.6" Posi Unit 30 Spline
• Interchange Part Number: 19559-010, 542022, YDGGM8.5-3-30-1
• Eaton-Style (clutch) Posi Unit
• Fits For 2.73 & Numerically Higher Gear Ratios (3.08, 3.42, 3.73, 4.11, 4.56, etc)
• Nodular Iron Casing
• Heavy Duty Composite Clutches, 400lb Springs & Forged 4130 Internals
• Includes (2) Carrier Bearings & (2) Carrier Bearing Races
• Fits 1999 and Newer Chevy 1500 Applications
• The 8.5″ axle was used on vehicles up to 1999. The 8.6″ was used on vehicles 1999 and up. Since 1999 was the transition year, some vehicles received the 8.5″ while others received the 8.6″. The easiest way to tell the difference is by looking at the brakes. All 8.6″ axles have disc brakes and 8.5″ have
• Instant Response - Sharper throttle, minimal loss, quicker launches and corner exits.
• Built to Last - Reliable quality, high durability, low long-term upkeep.
• True Bolt-On - No extra mods, saves workshop time.
• Rigid & Refined - Stronger driveline, less impact noise, premium feel.
• Consistent Lock - No heat fade, stable locking ratio even at high oil temps.
• Cost-Effective Grip - All-weather stability, longer tire life, short downtime—smoother, easier, practical.

Package includes:

1×Limited-Slip Locker

2×Carrier Bearings

2×Carrier Bearing Races

NOTE:
Please confirm your old part number matches up with one of the part numbers above

Installation Manual Is NOT Included

Professional Installation Is Highly Recommended

Thank you for your kind understanding.If you have any question,Please feel free contact us.

Fitment:

For 2002-2006 Chevrolet Avalanche 1500 V8 5.3L

For 2002-2018 Chevrolet Silverado 1500 V8 5.3L

For 1999-2018 Chevrolet Silverado 1500 V6 4.3L

For 1999-2009 Chevrolet Silverado 1500 V8 4.7L

For 1988-1999 Chevrolet K1500 V8 5.7L

For 1988-1999 Chevrolet K1500 V8 5.0L

For 1990-2001 Chevrolet C1500 V6 4.3L

For 1988-1999 GMC K1500 V8 5.7L

For 1988-1999 GMC K1500 V8 5.0L

For 2002-2018 GMC Sierra 1500 V8 5.3L

For 1990-1999 GMC C1500 V8 5.7L

For 1990-1999 GMC C1500 V8 5.0L

For Chevy GMC 8.5"/ 8.6" with 30 Spline Axles

For 2.73 & Numerically Higher Gear Ratios

Item SpecificsCountry of Origin United StatesManufacturer Warranty 1 YearCondition NewInterchange Part Number 19559-010Manufacturer Part Number BER257670Brand berliiiSuperseded Part Number 8.5" 8.6" Posi Unit 30 SplineDifferential Type Limited-SlipFitment Type Direct ReplacementNote No Instruction IncludedGear Ratio 2.73 & Numerically Higher Gear RatiosType Limited-Slip LockerPlacement on Vehicle RearItems Included Carrier Bearings/Carrier Bearing RacesOther Part Number 542022/YDGGM8.5-3-30-1Other Part Number 542022/YDGGM8.5-3-30-1
Payment

We accept payment via Paypal,Google Pay,VISA,Master Card,American Express,Discover, Mastercard payment .

Shipping

We process your order within 3business day upon payment(note: NOT counting holidays or weekends).
International shipping also available.

Return & Refund

Please read the item description and check the pictures carefully before offerding. Return or refund is available if there's error in item description causing the item not fitting your need or the product you received is damaged or not working. In such cases, seller pays for all related shipping cost if any.
Returns are also acceptable if buyer purchased this by mistake and item still in good condition for reselling.

Contact Us

If you have any question or concern about your order, please feel free to contact us through . We will try our best to reply all messages, as quickly as possible.

response

We maintain high standards of excellenceand strive for 100% customer satisfaction! response is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative response, so that we can satisfactorily address your concerns.

Berliii

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Description

• 100% New and High Quality
• Direct Replacement
• 1 Year Warranty
• Type:Transfer Case
• Differential Type:Limited-Slip
• Fitment Type:Direct Replacement
• Superseded Part Number:8.6" Posi Unit 30 Spline
• Interchange Part Number: 19559-010, 542022, YDGGM8.5-3-30-1
• Eaton-Style (clutch) Posi Unit
• Fits For 2.73 & Numerically Higher Gear Ratios (3.08, 3.42, 3.73, 4.11, 4.56, etc)
• Nodular Iron Casing
• Heavy Duty Composite Clutches, 400lb Springs & Forged 4130 Internals
• Includes (2) Carrier Bearings & (2) Carrier Bearing Races
• Fits 1999 and Newer Chevy 1500 Applications
• The 8.5″ axle was used on vehicles up to 1999. The 8.6″ was used on vehicles 1999 and up. Since 1999 was the transition year, some vehicles received the 8.5″ while others received the 8.6″. The easiest way to tell the difference is by looking at the brakes. All 8.6″ axles have disc brakes and 8.5″ have
• Instant Response - Sharper throttle, minimal loss, quicker launches and corner exits.
• Built to Last - Reliable quality, high durability, low long-term upkeep.
• True Bolt-On - No extra mods, saves workshop time.
• Rigid & Refined - Stronger driveline, less impact noise, premium feel.
• Consistent Lock - No heat fade, stable locking ratio even at high oil temps.
• Cost-Effective Grip - All-weather stability, longer tire life, short downtime—smoother, easier, practical.

Package includes:

1×Limited-Slip Locker

2×Carrier Bearings

2×Carrier Bearing Races

NOTE:
Please confirm your old part number matches up with one of the part numbers above

Installation Manual Is NOT Included

Professional Installation Is Highly Recommended

Thank you for your kind understanding.If you have any question,Please feel free contact us.

Fitment:

For 2002-2006 Chevrolet Avalanche 1500 V8 5.3L

For 2002-2018 Chevrolet Silverado 1500 V8 5.3L

For 1999-2018 Chevrolet Silverado 1500 V6 4.3L

For 1999-2009 Chevrolet Silverado 1500 V8 4.7L

For 1988-1999 Chevrolet K1500 V8 5.7L

For 1988-1999 Chevrolet K1500 V8 5.0L

For 1990-2001 Chevrolet C1500 V6 4.3L

For 1988-1999 GMC K1500 V8 5.7L

For 1988-1999 GMC K1500 V8 5.0L

For 2002-2018 GMC Sierra 1500 V8 5.3L

For 1990-1999 GMC C1500 V8 5.7L

For 1990-1999 GMC C1500 V8 5.0L

For Chevy GMC 8.5"/ 8.6" with 30 Spline Axles

For 2.73 & Numerically Higher Gear Ratios

Payment

We accept payment via Paypal,Google Pay,VISA,Master Card,American Express,Discover, Mastercard payment .

Shipping

We process your order within 3business day upon payment(note: NOT counting holidays or weekends).
International shipping also available.

Return & Refund

Please read the item description and check the pictures carefully before offerding. Return or refund is available if there's error in item description causing the item not fitting your need or the product you received is damaged or not working. In such cases, seller pays for all related shipping cost if any.
Returns are also acceptable if buyer purchased this by mistake and item still in good condition for reselling.

Contact Us

If you have any question or concern about your order, please feel free to contact us through . We will try our best to reply all messages, as quickly as possible.

response

We maintain high standards of excellenceand strive for 100% customer satisfaction! response is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative response, so that we can satisfactorily address your concerns.

All rights reserved.

On Sep 12, 2026 at 03:44:06 PDT, seller added the following information: