CTA Manufacturing 7431 ATF Filler Adapter for GM 8L45 & 8L90 Transmissions

The CTA Manufacturing 7431 is a specialized ATF filler adapter designed specifically for servicing GM vehicles equipped with 8L45 and 8L90 transmissions. This versatile threaded adapter enables technicians to efficiently fill automatic transmission fluid in late-model Chevrolet, GMC, and Cadillac vehicles from 2015 and newer.

Key Features:

• Male to female threaded adapter with dual thread specifications for maximum versatility
• Female end: 5/8"-18 TPI thread for compatibility with standard slide hammer tools
• Male end: 3/8"-16 TPI thread for secure connection to ATF filling systems
• Overall length: 2.25 inches for optimal reach and clearance
• Works seamlessly with CTA #7400 ATF Filling System Tanks
• Compatible with CTA tools #5405, #5407, and #5409 for dipstick tube extraction
• Multi-purpose design also functions with push puller legs or forcing screws

This adapter is an essential tool for professional technicians working on modern GM transmissions that lack traditional dipsticks. The precision-machined threads ensure leak-free connections during fluid filling procedures, while the compact design allows access to tight engine compartments. Beyond transmission service, this adapter can be utilized for pulling shafts, bearing caps, pinions, and other components when used with appropriate slide hammer or puller tools.