• Top Street Performance GM 9.5" 14-Bolt Chrome Steel Differential Cover - for street and performance builds
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Top Street Performance

GM 9.5" 14-Bolt Chrome Steel Differential Cover

GM 9.5" 14-Bolt Chrome Steel Differential Cover

SKU: SP4920

$11.43
$11.43 $29.70
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Low stock

Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.

Product Details

Features

  • Chrome steel cover fits GM 9.5" 14-bolt semi-floating differential
  • Fits 1983–1999 GM trucks with semi-floating 14-bolt rear axles
  • Bare cover only — gasket, hardware, filler plug, and drain plug not included
  • Plain cover design, 14 cover bolts / 12 ring gear bolts

Description

This chrome steel differential cover is built for the GM 9.5" 14-bolt semi-floating differential. Correct cover shape, bolt pattern, and sealing rail match are critical for leak prevention and reliable rear-end service.

Steel construction with a chrome finish supports durability, housing protection, and a clean axle appearance.

This is a bare cover only — gasket, hardware, filler plug, and drain plug are not included. Always verify your axle model, ring gear size, fill level, and suspension clearance before installation.

Specs

Cover MaterialSteel
Cover FinishChrome
Cover DesignPlain
Cover Bolts14
Ring Gear Bolts12
Filler PlugNot Included
Drain PlugNot Included
GasketNot Included
HardwareNot Included

Engine Fitment

COMPATIBLE WITH
GM 9.5" 14-Bolt Differential

NOTES
Fits 1983-1999 GM truck applications with semi-floating axles

COMMON VEHICLE APPLICATIONS
- Chevrolet C10/C20/C30, K10/K20/K30 (1973–1987)
- Chevrolet Silverado / GMC Sierra 1500 (1988–1999, semi-floating 14-bolt applications)
- Chevrolet Suburban / GMC Suburban (1973–1999)
- GMC Sierra / GMC trucks with 9.5" 14-bolt semi-float rear axle

Q&A

What differential does this cover fit?
This differential cover is designed for the GM 9.5-inch 14-bolt semi-floating rear differential.

What vehicles is this cover compatible with?
This differential cover fits 1983–1999 GM trucks and SUVs equipped with the 9.5-inch 14-bolt semi-floating rear axle, including Chevrolet Silverado, GMC Sierra 1500, and Chevrolet Suburban applications. Verify your specific axle model before ordering, as multiple rear axle options were available.

Does this include a gasket or hardware?
No. This is a bare differential cover only. A gasket, mounting hardware, filler plug, and drain plug are not included and must be purchased separately.

What material and finish is this cover?
This differential cover is manufactured from steel and features a durable chrome finish for corrosion resistance and a classic appearance.

How many bolts does this cover use?
This cover is designed for housings that use 14 differential cover bolts.

How is this different from GM's 10-bolt or 12-bolt covers?
This cover is designed specifically for the GM 9.5-inch 14-bolt semi-floating differential. It is not compatible with GM 10-bolt or 12-bolt differentials, which use different housings and bolt patterns.

Emissions Notice

This product does not affect vehicle emissions and is not subject to emissions compliance regulations.