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USED CHEVY DRIVETRAIN

Used Chevrolet Rear Differentials for Sale: Matched by RPO Code

GM prints your axle ratio as an RPO code on the Service Parts Identification label, often in the glove box: GU6 means 3.42 and GT4 means 3.73. Our used Chevrolet rear differentials for sale are matched to that code, including G80 locking units, with photos of the gears first.

10-bolt, 14-bolt and 11.5-inch AAM units
Matched to your GU6, GT4 or other RPO code
G80 locking and open differentials
Genuine GM OEM, 90-day warranty
+1 (610) 436-9905
★★★★★ 4.3/5 · 250+ reviews

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From your VIN to your driveway

01

Tell us the vehicle

Year, make, model, and VIN if you have it — that is all we need to start matching.

02

We locate the exact unit

Our specialists pull the OEM part from inspected inventory and confirm it fits your VIN.

03

Review photos & approve

You see the real part and the donor details, then sign off before anything ships.

04

Delivered & tracked

Packed, insured, and shipped nationwide with tracking sent to your inbox.

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100k+
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4.3/5
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90-Day
Warranty on every eligible order

Not sure of your Chevy’s gear ratio?

Read us the G-codes from your Service Parts label. We’ll match the ratio.

Match My RPO Code+1 (855) 723-4848