Dorman 99977 Power Steering Reservoir Cap

In stock
SKU: 591|99977
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Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $34.38
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|99977
  • Barcode 885484349667

Product Description

This power steering reservoir cap is a direct replacement for a cracked, worn or missing original equipment cap to prevent fluid leaks and steering system contamination.

  • Ideal replacement - this power steering reservoir cap matches the fit, function and appearance of a damaged or missing original equipment cap
  • Durable construction - made of quality materials for leak-free performance and a long service life
  • Cost-effective solution - offers original equipment quality at competitive price
  • Quality tested - this part has undergone try-on and material testing to ensure a quality fit and reliable performance

Detailed Applications

Year Make Model Configuration Positions Application Notes
2010 Hummer H3 L5 223 3.7L (3654cc)
2010 Hummer H3T L5 223 3.7L (3654cc)
2009 Hummer H3 L5 223 3.7L (3654cc)
2009 Hummer H3T L5 223 3.7L (3654cc)
2008 Hummer H3 L5 223 3.7L (3654cc)
2007 Hummer H3 L5 223 3.7L (3654cc)

Product Specifications

Attachment Type: Twist On
Color/Finish: Black
Dipstick Included: Yes
Height: 2.95 in
Material: Plastic
Package Contents: 1 Cap
Package Quantity: 1
Packaging Type: Box
Diameter: 2.06 in

OE Numbers

DIRECT OE CROSS
15132766 GENERAL MOTORS