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Thread: Seatbelt Harness Replacement

  1. #1
    Join Date
    Jul 2020
    Alexandria, VA

    Default Seatbelt Harness Replacement

    Hello all,

    My LUKE 4 point harnesses are out of date and I looking to replace them with a FIA approved 5/6 point harness setup. I see Caterham is selling a Schroth 6 pt setup, does any know the part number to buy directly from Schroth or is this a specialty part for Caterham? These seem to be on the pricey side.

    I am open to other brands, let me know what you recommend (fit, comfort, style) and if you could provide the model or part number that would be a plus.


    2005 Caterham SV Zetec SVT
    1968 Datsun 2000 Roadster Comp Package
    1977 Datsun 280z RB25DET
    1974 Datsun 260z (SOLD)

  2. #2
    Join Date
    May 2018
    Albany, NY


    A few comment points from experience

    I don't see the belt listed now on CC website but be careful when ordering and make sure there is an FIA time stamp on the belt. I've bought a set last year that didn't have it and that was a bad discovery to make.

    Other comment is one I still havent found a solution to. Since replacing the belt, my seat doesn't go as far forward as it used to as the side belts jam in between the seat and the S3 chassis and stop the seat from going any more forward. Not a problem for many but my SO being of a shorter stature is unable to drive until I figure this out.

    A seat job is one you want to do as little as possible. While simple in theory, on such a small chassis it's a huge PITA. It's a lot better with two people and it becomes a lot better if you find one of the DIY solutions to help the bolts stay in place for future replacements. Taking the seats in and out is also roughing up the leather on the center arm rest, which is an unpleasant result.

    As far as other brands etc, others can chime in with that experience.

    Edit: I'd like to add that I believe 6pt is pretty universally preferred to a 5pt setup.
    2001 Caterham Superlight R

  3. #3
    Join Date
    Jan 2020


    In a frontal collision, a 5 point is guaranteed to crush your nuts and change you voice to a falsetto. A six point may miss them.
    1987 Caterham 1700 Supersprint
    2002 Porsche Boxster
    2004 Porsche Boxster S
    1941 Dodge Luxury Liner
    2009 Mercedes CLK 350 Cabriolet
    2017 Chevrolet Volt

  4. #4
    Join Date
    Feb 2009


    Thread covered this fairly recently - refer here
    2010 Caterham CSR with Cosworth 2.3 Duratec
    2018 Caterham 420R with 2L Duratec 210hp at Donington UK
    1975 BMW CSL Group 4 (restoration finished - track set up time)
    1977 Holden Torana "A9X" (awaiting restoration)
    1985 Holden Commodore SS Group A (suspension restoration)
    1985 Holden Commodore Group A (suspension set up)
    1982 Ferrari 400i (radiator replacement)
    1965 Ford Mustang Fastback "Holman Moody"
    1992 Ford Escort RS Cosworth WRC (dyno time)
    1990 Range Rover 2 door Classic
    and another project car coming....

  5. #5
    Join Date
    Apr 2013


    I'll add another post to the above referenced thread to give my experience now that I have the belts installed.
    1997 Caterham, BDA
    1991 Miata, supercharged
    2017 VW GTI

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