551121-DEL Block Off Plate for 6L80E, 6L90E, 8L90E Transmissions [Billet Aluminum]

Name: 551121-DEL Block Off Plate for 6L80E, 6L90E, 8L90E Transmissions [Billet Aluminum]
Brand: ICT BILLET
SKU: 335-551121-DEL
Price: 30.00 USD
Availability: InStock

^$30⁰⁰

Ships on 09/18/2026

Lowest Price Guarantee

6L80E/6L90E/8L90E

Fits GM 6L80E, 6L90E, 8L90E Transmissions
Prevents Fluid Loss During Transport or Service
Machined from Billet Aluminum
Includes Plate and Bolt
Sold Individually

This block off plate provides a clean, secure seal for GM 6L80E, 6L90E, and 8L90E automatic transmissions. Ideal for use during storage, painting, or drivetrain service, it helps prevent transmission fluid loss and contamination while the transmission is removed from the vehicle. Machined from aerospace-grade billet aluminum, the plate includes a mounting bolt for a reliable, bolt-on fit.
Deltrans 551121-DEL Features:
Compatible with GM 6L80E, 6L90E, and 8L90E Automatic Transmissions
Prevents Fluid Loss During Removal, Storage, or Maintenance
Machined from Aerospace-Grade Billet Aluminum
Precision Fit for Easy Installation

Deltrans 551121-DEL Includes:

Block Off Plate
Mounting Bolt

Prevent Leaks and Protect Transmission Integrity

ICT Billet Transmission Block-Off Plates are designed to seal exposed fluid paths when servicing, transporting, or painting automatic transmissions. Each plate is precision machined from aerospace-grade billet aluminum and is vehicle- and transmission-specific to ensure a secure fit. Ideal for builders, shops, or anyone working with drivetrains out of the chassis, these plates help prevent contamination, fluid loss, and cleanup hassles during any stage of a transmission project.

Part TypeTransmission Plug

Product LineICT Billet Transmission Block-Off Plates

BrandICT BILLET

Package Height0.35

Package Width1.5

Package Length3.0

Weight0.15 PG

Part CategoryAccessories

Gaskets IncludedNo

Mounting Hardware IncludedYes

MaterialBillet Aluminum

Part FitmentSemi Universal