2003 CHEVROLET BLAZER Differential & Rear-End Components

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900411

4.47 out of 5 stars ( 19 )

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901651

4.6 out of 5 stars ( 10 )

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Ring and Pinion Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: RMG-GM85410

4.0 out of 5 stars ( 8 )

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4902781

5.0 out of 5 stars ( 9 )

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Gear, Ring and Pinion, 3.23:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900191

4.25 out of 5 stars ( 8 )

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885373

4.8 out of 5 stars ( 5 )

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885342

5.0 out of 5 stars ( 6 )

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Differential, Lock-Right, Locker, 30-Spline, GM, 8.5 in., Each

Part Number: PWT-1921-LR

4.4 out of 5 stars ( 10 )

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900341

4.67 out of 5 stars ( 9 )

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-456

4.5 out of 5 stars ( 4 )

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Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901691

4.6 out of 5 stars ( 5 )

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Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-430

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Ring and Pinion

Part Number: MGR-GM75-323

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-342

5.0 out of 5 stars ( 3 )

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Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901711

5.0 out of 5 stars ( 1 )

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Axle Shaft, Rear, C-Clip, 1541H Alloy, 28 Spline, 26.375 in. Length, GM 7.625 in., Chevy/GMC, Pickup, Each

Part Number: YGA-21617

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Estimated Ship Date: Mar 25, 2026 if ordered today

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Axle Shaft, Rear, C-clip, 30-spline Inner, 1541H Alloy Steel, GM 8.5 in., Chevy, Each

Part Number: YGA-21620

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 27, 2026 if ordered today

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Ring and Pinion Gears, 2.73:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: YGA-24475

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Axle Shaft, 30-Spline, 30.938 in. Length, Rear, GM, Each

Part Number: YGA-21281

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Estimated Ship Date: Mar 25, 2026 if ordered today

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Ring and Pinion

Part Number: RMG-GM75456TK

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Axle 8.5"/ 8.6 GM REAR, '98-'05 S-10 ZR2, 30-15/16", 30spl, 5 x 4.75"PATTERN, 2.8" BRG OD, C10

Part Number: SPZ-11954

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Differential Ring And Pinion Set

Part Number: RNB-697-201

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Axle 8.5" GM REAR, '98-'03 S10 BLAZER, 26.5", 30spl, 2WD, 1.400" BRG JOURNAL

Part Number: SPZ-12215

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Estimated Ship Date: Mar 12, 2026 if ordered today

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