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12638377 GM Diesel 6.6l NOx Sensor 5WK9 6631B Chevy GMC Duramax

Estimated sample price$210.00
OE / SKU12638377 · 5WK9 · 5425221652434 Sample statusSample availability: confirm before order Before checkoutConfirm connector, voltage and application
1-9 pcs$210.00
10-49 pcs$180.60
50+ pcsRequest Quote

Sample availability: confirm before order

Fast dispatch available
12-month quality warranty
Technical support included
For sample orders Buy Sample Online

Use PayPal/card checkout for small-quantity sample testing. Freight is confirmed by destination at checkout.

For bulk purchase Request Bulk Quote

Send OE number, application, quantity, destination and packaging needs before PI or T/T payment.

Confirm before ordering: OE number, connector, voltage, sensor position, vehicle/engine application and emission system must match your sample or diagnostic record.
12638377  5WK9 6631B. 5WK96631B
5.0/5 from 5 approved buyer reviews

Shown below are approved product reviews from buyers. Support questions and unverified messages are not counted as public testimonials.

“All nox sensor can work, nice vendor”

— Moira

“good supplier, nice seller”

— Jo

“super good Nox sensors”

— Timekeeper
Read or add a product review

SKU: 5425221652434

Category: ,

Specifications
OE / SKU5425221652434
Product type,
Sample MOQ1 pc sample order supported
Warranty12-month quality warranty
AvailabilitySample availability: confirm before order
Cross Reference
126383775WK954252216524345WK96631B
Fitment
GMNOx Sensor

Vehicle application: GM/Chevrolet, GMC

Confirm engine model, vehicle application, and connector shape with sales before wholesale ordering.

Shipping & Warranty

Samples are positioned for fast dispatch where stock is available. Bulk orders can support neutral packaging or project-specific packing requirements after RFQ confirmation.

12638377 GM Diesel 6.6l NOx Sensor 5WK9 6631B Chevy GMC Duramax — Professional-grade nox sensor from SHR Autoparts. IATF16949 certified manufacturer, 10+ years experience, serving distributors in 50+ countries.

Key Features

  • OEM-equivalent quality — IATF16949 certified
  • Direct bolt-on replacement, no modifications needed
  • 100% functionally tested before shipping
  • 12-month warranty with technical support
  • Compatible with Euro 5/6 SCR emissions systems

OEM Part Numbers

  • 5WK9 6631B

Compatibility Confirmation

Please confirm compatibility by OE number, connector, voltage, sensor position and product photos before ordering. SHR Autoparts technical sales can check cross-reference details before quote.

Specifications

Product Type NOx Sensor
Condition New
Warranty 12 months
Certification IATF16949, ISO 9001

SKU: 5425221652434

Need bulk pricing? Request a Quote for volume discounts and OEM customization.

Frequently asked questions

Which vehicles does this part fit?

This part is specified for the applications listed in the product title. Because the same sensor fits several variants, confirm against your VIN or OE number before ordering; our team cross-references on request.

What OE part numbers does this replace?

It replaces the OE number shown in the product title. Send us your original part number and we will confirm the exact match.

What warranty and quality standard apply?

SHR builds this sensor under IATF16949 controls with OE-matching calibration. It carries a 1-year warranty against manufacturing defects; a failed unit is replaced free of charge within the warranty period.

5 reviews for 12638377 GM Diesel 6.6l NOx Sensor 5WK9 6631B Chevy GMC Duramax

  1. Supplanter

    work good on my car, good seller

  2. Murray

    We buy 2 pcs to test last October, working good , we buy 5 pcs more this time

  3. Timekeeper

    super good Nox sensors

  4. Jo Sally

    good supplier, nice seller

  5. Moira Lucia

    All nox sensor can work, nice vendor

Add a review

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