39728 Warning Contact, Brake Pad Wear (A.B.S. OE-Spec Replacement)
$13.46
Shop the 39728 Warning Contact, Brake Pad Wear — a genuine A.B.S. brake pad wear sensor for a direct OE-spec fit. Cross-referenced part numbers, fast US
25 in stock
The 39728 Warning Contact, Brake Pad Wear is a A.B.S. brake pad wear sensor listed under our
Brake Pad Wear Sensor category at
CG Auto Parts Shop. Every listing includes a full manufacturer cross-reference
table so you can confirm fitment by part number before you order.
How It Works
A brake pad wear sensor is a resistive or contact-type device clipped to the brake pad backing plate that closes or opens an electrical circuit when the friction material wears to a minimum thickness, triggering a dashboard warning lamp. Some systems measure the gradual increase in resistance as the contact wire is progressively exposed; others simply complete or break a circuit at the threshold.
Signs You Need a Replacement
A persistent brake wear warning lamp that doesn’t clear after a pad replacement usually indicates the sensor itself wasn’t replaced, the connector wasn’t fully seated, or the system needs a diagnostic reset. A warning light that never triggers despite obviously thin pads points to a broken sensor wire or a corroded-open connector.
Brand & Manufacturing Authority
This brake pad wear sensor is manufactured by A.B.S., a recognised supplier
to the automotive aftermarket. The part number 39728 identifies this specific
unit in the manufacturer’s own catalog. It is supplied new — not remanufactured — and is backed by our
warranty policy.
Material & Construction
Built from a resistive or contact sensing element in a wear-resistant polyamide housing, pre-wired to a connector that matches the vehicle’s brake monitoring harness pin-out. This construction is chosen to match or exceed the OE
specification it replaces under the same load, temperature, and service conditions.
Fitment Confidence
Year-make-model filters alone can miss mid-year production changes that affect fitment. The safest
method is to match the part number stamped on your existing brake pad wear sensor against the
cross-reference table below. If you can’t locate your existing part number, send your vehicle VIN
through our contact page and we’ll confirm before you order.
Product Specifications
| Part Number (SKU) | 39728 |
| Part Type | Brake Pad Wear Sensor |
| Brand | A.B.S. |
| Condition | New |
| Category | Braking > Brake Pad Wear Sensor |
Cross-Reference Compatibility Table
Match your existing part number against this table before ordering. All data is drawn directly
from the manufacturer’s own cross-reference documentation.
| Brand / Manufacturer | Part Number(s) |
|---|---|
| A.B.S. | 39728 |
| JAGUAR | C2Z16061, WIR5277 |
Installation & Safety Notes
Replace the sensor every time the pads it monitors are replaced. Route the wiring away from moving suspension components and secure against chafing before refitting the wheel. Always follow your vehicle manufacturer’s torque specifications and service
manual procedure. For the engineering standards that govern this part category, see the
SAE International brake system standards.
Quality Assurance
We verify every listing’s cross-reference data against the manufacturer’s own catalog before
publishing. We sell A.B.S. parts because the brand has a documented track record in the
brake pad wear sensor category. If a part number doesn’t match your vehicle after
checking the table above, contact us and we’ll find the correct one.
Shipping, Returns & Warranty
Orders ship from our US warehouse. Delivery windows are on our
shipping policy page. If a part arrives damaged or doesn’t fit,
the return and claim process is in our terms of service and
warranty policy. Questions?
Contact us any time.
Why Buy From CG Auto Parts Shop
- Genuine A.B.S. part, cross-referenced by manufacturer part number
- New condition — never remanufactured or reconditioned
- Backed by our warranty policy
- Fast US shipping — see shipping policy for timelines
- Fitment support — contact us with your VIN before ordering
- Transparent part numbers — no guesswork, no hidden cross-brand substitutions
Related Products in This Category
Browse more Brake Pad Wear Sensor parts, or explore the
full shop. More parts in this category include:
- 503 066 Warning Contact, Brake Pad Wear (SKU 503 066)
- 401 459 Warning Contact, Brake Pad Wear (SKU 401 459)
- 39640 Warning Contact, Brake Pad Wear (SKU 39640)
- 39677 Warning Contact, Brake Pad Wear (SKU 39677)
Choosing the Right Brake Pad Wear Sensor — A Buyer’s Guide
Shopping for a brake pad wear sensor by part number rather than by vehicle
model alone is the most reliable way to avoid a fitment mismatch. A year-make-model filter is a
starting point, but the same vehicle model can use different component specifications depending on
trim level, engine variant, and production date. The cross-reference table above is built from
the manufacturer’s own part-number data, which means the relationship between this part and the
vehicle application is confirmed at the component level rather than inferred from model data.
When you receive the new brake pad wear sensor, compare it physically against
the old part before installation — check overall dimensions, mounting hole positions, and connector
orientation. A direct visual comparison catches any discrepancy before time is invested in
disassembly. If anything doesn’t match despite the part number confirming correctly, contact us
before installing, since we can usually resolve fitment questions the same day.
We source our A.B.S. parts directly through authorised supply
channels to ensure you receive the genuine part that the cross-reference table confirms. Aftermarket
quality varies enormously by brand; listing the actual manufacturer — rather than a generic
“compatible with” label — is how we give you the information needed to make a confident buying
decision. The About Us page explains our approach to sourcing and
part-number verification in more detail.
After Installation — What to Check
Once the new brake pad wear sensor is fitted and torqued to specification,
a brief test drive under controlled conditions is the best way to confirm the repair is successful
before returning the vehicle to normal use. Listen for any new noises from the affected area at low
speed over a rough surface, and confirm that the system behaviour feels correct. For suspension and
steering components, a wheel alignment check immediately after installation is strongly recommended,
since even a correctly fitted new part can require alignment correction compared to the worn part
it replaced. For braking components, a proper bed-in procedure — a series of graduated stops from
road speed — transfers an even layer of friction material and settles the new components before
maximum braking loads are applied.
Keep the installation date and part number noted in your service records. This information is
required if a warranty claim becomes necessary, and it makes future parts sourcing straightforward
since you’ll have a confirmed part number on file. Our warranty
policy page specifies the documentation needed to support a claim.
Frequently Asked Questions
Will this part fit my vehicle?
Match the part number on your existing brake pad wear sensor against the
cross-reference table on this page. If you’re unsure, send your VIN through our
contact page.
What brand is this part?
This is a A.B.S. part, confirmed by matching SKU
39728 in the manufacturer’s cross-reference data.
Is this a new part or remanufactured?
New condition. All parts in our shop are new — no remanufactured
or reconditioned units.
How long does shipping take?
See our shipping policy for current carrier options and
delivery windows from our US warehouse.
What warranty does this part carry?
Coverage terms are detailed on our warranty policy page.
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