Locking Trans Fill Tubes

Hughes Performance’s unique locking transmission filler tubes for 700R4s and Powerglides were so well-received that the company has expanded the line significantly. Hughes now offers these dipstick and filler tube assemblies for most popular domestic rear-wheel-drive applications.

Why install a locking dipstick? Many transmissions build up pressure. This pressure can blow out the dipstick, allowing trans fluid to spew everywhere. With Hughes’ locking tubes, you keep the fluid in the trans – which means greater reliability and a sanitary engine compartment.

All of Hughes’ filler tubes are gold irridited. And all assemblies are manufactured to exacting tolerances with tab mounts.

 

GM

Transmission
Part #
Aluminum Powerglide-Short
HP7438LS
Aluminum Powerglide-Long
HP7438L
TH350
HP3235
TH400
HP2235
TH400-Tight fit applications
HP2235A
TH700R4 (4L60) 1982-93
HP3738
4L60E 1993-on
HP3738
4L80E HD 4 SP OD
HP2535

 

Ford

Transmission
Part #
C4 with Case Fill
HP5235
C4 with Pan Fill
HP5235P
C6 with Small Block Engines
HP4235
C6 with Big Block Engines
HP4235B
AOD 4 SP OD 1980-91
HP4335
AODE 4 SP OD (Electronic) 1992-94
HP4335
4R70W 4 SP OD with 5.0L only 1994-on
HP5335

 

Mopar

Transmission
Part #
TF6 (A904)
HP1234
TF8 (A727) Small Block
HP1235
TF8 (A727) Big Block
HP1235A