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Mueller-Kueps Sensor Tap Kit

$792
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SKU: 506 027

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Ultra-short metric sensor tap kit with integrated guide pin and compact ratchet wrench. Designed to professionally restore threads on NOx sensors, temperature sensors, and particle filters on both light- and heavy-duty diesel engines. Made in Germany.

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    Key Benefits

    Key Benefits

    • Extra-short tap bodies reach tight sensor bosses with limited clearance
    • Integrated guide pin keeps tapping straight to protect the seat
    • Includes compact ratchet wrench for fast one-handed work
    • New protective coating for durability and smooth chip evacuation
    • Professional results on NOx, temp and DPF sensor ports

    Technical Specs

    Spec

    Detail

    Tap range:

    M12 x 1.25, M14 x 1.5, M16 x 1.5, M18 x 1.5, M20 x 1.5, M22 x 1.5

    Application:

    NOx, temperature, and particle filter sensors

    Drive:

    Compact ratchet included (manual use)

    Country of origin

    Germany

    What It’s For

    What It’s For

    • Repairing burnt, carbon-packed, or lightly damaged threads in sensor ports
    • Cleaning up cross-threading after sensor removal
    • Prepping threads before installing new sensors to proper torque and seal
    Kit Contents

    Kit Contents

    • M12 x 1.25 sensor tap (#506 512)
    • M14 x 1.5 sensor tap (#506 514)
    • M16 x 1.5 sensor tap (#506 516)
    • M18 x 1.5 sensor tap (#506 518)
    • M20 x 1.5 sensor tap (#506 520)
    • M22 x 1.5 sensor tap (#506 522)
    • Compact ratchet wrench (#514 513)
    • Protective storage case with foam insert
    Features in Detail

    Features in Detail

    • Integrated guide pin maintains alignment and reduces cross-threading risk
    • Short working length allows tapping without removing nearby components
    • Coated cutting surfaces for long life and smoother cutting
    • Sized specifically for common exhaust/after-treatment sensor threads

    Fit & Compatibility

    • Universal use on light- and heavy-duty diesel engines
    • Works on common OEM sensor thread sizes found across European, North American, and Asian platforms

    How Pros Use It

    • Always blow out debris and apply cutting fluid to reduce heat and extend tool life
    • Use short, controlled half-turn cuts and back off to clear chips
    • After tapping, flush the port and verify sensor seats squarely before torque