(Vehicle Certification label on drivers door)
Ford Ranger spring codes are listed as a 2-part code. The first part identifies the front spring/torsion bar code. The second part identifies the rear spring code.
Front Torsion Bar Codes
(RH = Passenger Side / LH = Driver Side)
1 – F67A-5B326-FA (RH)
1 – F67A-5B327-FA (LH)
1 – F67Z-5B326-FA (RH)
1 – F67Z-5B326-FB (LH)
B – F57A-5B326-BC (RH)
B – F57A-5B327-BC (LH)
B – F57Z-5B326-A (RH)
B – F57Z-5B327-A (LH)
F – F57A-5B326-FC (RH)
F – F57A-5B327-FC (LH)
Rear Spring Codes
3 – 4L54-5560-DA (Leaf)
33 – 4L54-5560-DA (leaf)
C – 3L54-5560-PB (Leaf)
CC – 4L54-5560-GA (leaf)
K – 4L54-5560-EZ (Leaf)
KK – 4L54-5560-EA (leaf)
Torsion Bar Sticker / Stamping:
The torsion bars have a sticker on them
And are stamped on the end. This is a ‘F’ code torsion bar
Torsion bars – Measure the diameter:
(Torsion bar code / approximate bar diameter)
1 / 1.09 inch (strongest)
B / 1.06 inch (mid level)
F / 1.03 inch (weakest)
More help:
Don’t forget to check out our 4×4 Suspension Forum
Jim Oaks is the founder of TheRangerStation.com, the longest-running Ford Ranger resource online since 1999. With over 25 years of hands-on experience building and modifying Ford Rangers — including magazine-featured builds like Project Transformer — Jim has become one of the most trusted authorities in the Ford off-road and enthusiast space. In 2019, he was loaned a Ranger FX4 by Ford Motor Company to test and document across the TransAmerica Trail. Jim continues to inspire and guide Ranger owners around the world.