TRANSGO 4003
TRANSGO part number 4003 is a shift improvement kit in the Transmission-Automatic system. This catalog matches it to 58 year-and-engine configurations from 1965 to 2025.
Verified fitment includes 2025 BMW X3 2.0L L4 ELECTRIC/GAS Turbocharged ; 2025 BMW X3 2.0L L4 Turbocharged ; 2025 BMW X4 2.0L L4 Turbocharged ; 2024 BMW X3 2.0L L4 ELECTRIC/GAS Turbocharged ; 2024 BMW X3 2.0L L4 Turbocharged , plus 53 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is TRANSGO 4003?
TRANSGO part number 4003 is a shift improvement kit with published application data for 58 vehicle configurations from 1965 to 2025. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does TRANSGO 4003 fit?
This catalog matches 4003 to 58 year-and-engine configurations from 1965 to 2025. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is TRANSGO 4003 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. TRANSGO 4003 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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