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    Schaeffler INA
    Supplementary article/info 2 requires special tools for mounting
    For manufacturer number 920007
    Number of grooves 6
    Svhc no svhc present!
    Distance to first groove (mm) 13
    Product number: 535 0237 10

    Ina Overrunning Alternator Clutch Pulley For Ford Mazda Volvo 2 3 5 B-max C-max C30 Ecosp

    Price excl. vat.
    £ 54,44
    Add to cart

    Description

    INA Belt Drive Technology

    Overrunning Alternator Pulley (OAP)

    The INA OAP uses a one-way clutch so the alternator can “free-wheel” during sudden belt deceleration. This calms belt vibration, reduces noise at shut-down/gear changes, and protects the tensioner and belt for longer life.

    Lower NVH Stabilised FEAD OE-grade reliability
    INA Overrunning Alternator Pulley main view
    INA OAP packaging view INA OAP close-up view INA OAP installed view

    What It Does

    • One-way clutch: allows the alternator rotor to coast when the belt slows suddenly (overrun), reducing belt snap and chirp.
    • Smoother accessory drive: helps the tensioner work within its normal range and limits oscillation.
    • Longer component life: less stress on belt, tensioner, alternator bearings, and other FEAD parts.

    When to Replace

    • Chirping at engine shut-down or during shifts; rumble/squeal from alternator area.
    • Tensioner arm “flutters” or sits off-center at idle; belt tracking issues.
    • Alternator charging faults due to belt slip or pulley clutch seizure.
    • Excessive play/roughness when the pulley is checked off-vehicle.
    Important: Fit the same type the vehicle was built with. Don’t swap an OAP for an OAD (decoupler) or a solid pulley — they are not interchangeable.

    How to Fit (Universal Guide)

    1. Preparation: Engine cold, battery disconnected. Photograph belt routing. Remove the FEAD belt.
    2. Lock the rotor: Use the correct alternator holding tool (insert in the rotor shaft) and a matching OAP removal socket for the pulley splines/hex.
    3. Remove old pulley: Hold the rotor steady; loosen the pulley in the correct direction (usually standard thread, but verify OE info). Remove any dust cap/shroud.
    4. Check & clean: Inspect alternator shaft and threads; clean and lightly degrease. Do not grease the belt or pulley grooves.
    5. Install new INA OAP: Thread on by hand to avoid cross-threading. Hold rotor and torque the pulley to the manufacturer’s spec. Refit the protective cap.
    6. Refit belt & test: Route belt, ensure all ribs seat. Start engine, watch tensioner movement, listen for noise, and confirm charging performance.

    Always follow the exact torque values and procedures in the workshop manual. Use the proper INA/REPXPERT special tools to avoid alternator damage.

    Quick Function Check (Off-Vehicle)

    • Pulley should rotate freely in the overrun direction and lock in the drive direction.
    • Any grinding, binding, or free-wheeling both ways = replace.
    Usage numbers
    AS-PL AFP3029
    CONTINENTAL CTAM AP9106
    DAYCO ALP2465
    GATES 7789-10155
    GATES 778910155
    GATES OAP7155
    IPD 15-3805
    IPD 153805
    RUVILLE 57114
    SCHAEFFLER GRUPPE 535 0237 10
    SCHAEFFLER GRUPPE 535023710
    TRIPLE FIVE 920007
    VALEO 2260730
    VALEO AV6N-10300-GE
    VALEO AV6N10300GE
    VALEO FG18T058
    VALEO TG15C169
    VALEO TG15C174
    VALEO TG15C175
    VALEO TG15C183
    VALEO TG15C186
    VALEO TG15C214
    VALEO TG15C228
    VALEO TG15C234
    ZEN 5824
    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    ford ford
    mazda mazda
    volvo volvo

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    The Compatibility Table can be found on each product page, usually below the main product description. Look for a tab or heading labeled Compatibility.


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