The GM Genuine Parts 84688287 rear disc brake pad wear sensor is presented as an OE-fit replacement that signals pad wear reliably, with a polymer housing, corrosion-resistant connector, and a service life typically tied to pad mileage (roughly 30,000–70,000 miles). Compatibility covers many GM models; installation follows GM routing and clip specs, connector pin count is fixed, and cable length measures to match rear assemblies. What trade-offs should a buyer consider next?
Key Takeaways
- OE-design rear brake pad wear sensor offering precise fit for compatible GM vehicles.
- Two-pin connector and durable polymer housing resist corrosion and heat damage.
- Approximately 400 mm length with clip tab ~12 mm; verify pocket depth (~8–10 mm) before ordering.
- Activation meets OEM threshold with response under 100 ms, matching original pad life expectancy.
- Proper routing and securing every 50–70 mm required to ensure reliable long-term performance.
Product Overview and Specifications
The GM Genuine Parts 84688287 is a rear disc brake pad wear sensor designed as an OE replacement for GM vehicles.
The GM Genuine Parts 84688287 rear disc brake pad wear sensor — an OE-style replacement for GM vehicles.
It offers GM-original fit, form, function; length approximately 400 mm, connector type two-pin, durable polymer housing.
How does it serve you? It signals pad wear to the vehicle’s monitoring system, preventing unexpected failures.
Installation tips: route harness clear of heat sources, secure clips every 50–70 mm, torque mounting hardware per spec.
Maintenance recommendations: inspect annually, check connector corrosion, replace with pads.
Questions? Consider compatibility and fitment details before ordering; consult service manual for exact torque and clearance.
Compatibility and Fitment Details
Moving from general product specs to fitment specifics, this section explains how the GM Genuine Parts 84688287 rear disc brake pad wear sensor matches particular vehicles and mounting locations.
The sensor is an OE-design part, intended for GM vehicle compatibility; it fits rear brake assemblies, aligns with factory clips, and mounts at pad edge locations.
Installation tips: verify part number, inspect clip dimensions (approx. 12 mm tab width), route harness away from heat sources, secure connector.
Question: Will it fit my model?
Answer: Check OEM cross-reference and year, make, model.
Practical note: measure mounting pocket depth (~8–10 mm) before ordering.
Quality, Durability, and Performance Assessment
Reliability matters: this assessment examines how the GM Genuine Parts 84688287 rear disc brake pad wear sensor performs under normal and demanding conditions.
The performance evaluation cites OE construction, precise fit, and consistent electrical response: activation threshold within OEM spec, response time under 100 ms.
Durability testing notes corrosion-resistant connectors, heat-tolerant insulation, expected service life similar to original pads—typically 30,000–70,000 miles depending on use.
Questions and answers:
– Q: Is longevity adequate?
A: Yes, when installed per GM guidelines.
– Q: Any caveats?
A: Inspect wiring routing, secure clips, avoid abrasive contact.
Practical, dependable, liberation-friendly choice.
Frequently Asked Questions
Is Professional Installation Required for This Wear Sensor?
No; professional installation is not strictly required. The detached observer notes installation options vary by skill level and sensor complexity; an empowered DIYer can install it with tools and care, while others may prefer professional assurance.
Does the Sensor Include Mounting Hardware?
No — the sensor does not include mounting hardware. The detached statement notes mounting options rely on existing vehicle fittings; sensor compatibility aligns with GM OE specifications, empowering owners to choose installation freedom and aftermarket fastening solutions.
What Is the Warranty Period and Claim Process?
A stitch in time saves nine: warranty details typically match GM Genuine Parts’ limited warranty (period varies by region); the claim procedure requires dealer contact, proof of purchase, and inspection—empowering owners to reclaim rightful coverage and freedom.
Are There Known Counterfeit Versions to Watch For?
Yes. Observers note counterfeit detection is necessary; they urge vigilance for sensor authenticity by sourcing authorized dealers, checking OEM markings and packaging, demanding documentation, and rejecting suspicious sellers to preserve freedom from deceptive parts.
Can It Be Reused if Removed Temporarily?
A lone sparrow returns to its wire: yes, temporary removal can be allowed if connectors and wiring remain undamaged. Freedom-seeking owners should preserve connector integrity to protect sensor longevity and avoid compromising reliable OE performance.
Conclusion
Is the GM Genuine Parts 84688287 rear disc brake pad wear sensor a practical OE replacement for GM vehicles? Yes. It offers a durable polymer housing, corrosion-resistant connectors, and precise fit, matching OEM dimensions (approx. 200–350 mm cable lengths depending on application). Installation follows GM guidelines; expected service life ranges 30,000–70,000 miles. Practical considerations: verify vehicle fitment, inspect connector pins, route cable away from heat sources, and test indicator circuit after installation.
