Dorman 921-033 Automatic Transmission Dipstick Tube

Brand Dorman 921-033
Material Steel
Color Black
Outside Diameter 0.65
Outside Diameter 0.75
Mounting Hole Quantity 3
Tube Length 35.5
Dipstick Included No
Mounting Bracket Included Yes
Installation Hardware Included No
Package Contents 1 dipstick tube
Fits

OE-style fit. Matches the original tube's fit and function for straightforward replacement.

Steel construction. Built for durability and reliable performance.

Mounting bracket included. Simplifies installation with the bracket already provided.

Cross-references 15010770 for the same application. See all 1.

$123.63Free shipping
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Automatic Transmission Dipstick Tube for OE-Style Service

This Dorman automatic transmission dipstick tube is built to match the fit and function of the original tube on specified vehicles. For drivers searching for a replacement automatic transmission dipstick tube for Chevrolet and GMC applications, Part Number 921-033 provides a direct-service solution with a steel construction and black finish.

Part Number 921-033 is designed for vehicles that need a replacement transmission dipstick tube with the correct mounting points and tube dimensions. It is a practical choice for Chevrolet Silverado and GMC Sierra owners replacing a damaged, rusted, or missing tube.

Key Features

  • Steel construction for durable underhood service
  • Black finish for a clean OE-style appearance
  • Designed to match original fit and function on specified vehicles
  • Mounting bracket included for proper tube support
  • Tube length measures 35.5 inches
  • Outside diameter specifications: 0.65 in. and 0.75 in.
  • Mounting hole quantity: 3
  • Dipstick not included

Detailed Description

Dorman 921-033 is an automatic transmission dipstick tube engineered as a replacement for the factory tube on select applications. The steel tube is shaped to follow the original routing and mounting layout, helping restore a secure connection between the transmission and the dipstick service point. This part cross-references 15010770 for the same application.

For Chevrolet Silverado and GMC Sierra trucks that need a replacement transmission dipstick tube, this part supports a straightforward OE-style repair. The included mounting bracket helps secure the tube in place, while the black-coated steel design is suited for routine transmission service and long-term underhood use.

What It Helps Fix

  • Broken or bent transmission dipstick tube
  • Corrosion on the original steel tube
  • Loose or missing tube mounting support
  • Transmission fluid service access problems
  • Improper dipstick tube routing after prior repairs

Installation Notes and Tips

Verify the tube routing, mounting hole locations, and outside diameter against the original part before installation. This replacement transmission dipstick tube does not include a dipstick or installation hardware. Confirm the vehicle application for Chevrolet Silverado and GMC Sierra models before service, and inspect surrounding transmission components for wear or damage during replacement.

Quality Assurance

Dorman designs this replacement tube to match original fit and function on specified vehicles and builds it for durable, reliable performance. Part Number 921-033 is intended for direct-service use where an OE-style automatic transmission dipstick tube is required.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
15010770