The GM Genuine Parts 13498958 sensor is presented as an OE-grade ambient light sensor for Chevrolet, Buick, GMC, and Cadillac models, rated 4.3/5 by 420 users. It measures ambient light to adjust display brightness, features a crimp connector and push-button actuator, and aims to save energy; dimensions and fitment match factory locations, warranty included, 30-day return available. How well does it perform long-term and fit specific models?
Key Takeaways
- GM Genuine Parts 13498958 is a compact ambient light sensor used to auto-adjust dashboard/display brightness on GM vehicles.
- Fits Chevrolet, Buick, GMC, and Cadillac models matching OE form, mounting, and connector type.
- Specs: ~2 x 1.5 x 1 inches, 0.32 oz, crimp connector, push-button actuator, ON-NONE-ON normally-open contact.
- Built to GM test protocols with alloy-steel contacts; limited ingress protection (IP00) unsuitable for high-exposure environments.
- Customer-rated ~4.3/5 from 420 reviews; warranty details and Amazon 30-day returns apply.
Product Overview and Key Features
The GM Genuine Parts 13498958 Automatic Headlamp Control Ambient Light Sensor is a compact sensor designed to measure surrounding light levels and adjust vehicle display brightness to conserve energy and improve visibility.
The GM Genuine Parts 13498958 ambient light sensor adjusts display brightness to save energy and improve visibility.
It fits Chevrolet, Buick, GMC, Cadillac models, weighs 0.32 ounces, and measures about 2 x 1.5 x 1 inches.
Key features:
- ON-NONE-ON operation
- normally open contact
- crimp connector
- 1-way circuit
- push-button actuator.
Why choose it? OE validation promises compatibility and reliability.
How to assess fitment? Confirm model-year compatibility and connector type.
Practical note: check mounting location and wiring before purchase.
Design, Engineering, and Build Quality
Solid engineering underpins the GM Genuine Parts 13498958 ambient light sensor, offering a compact, purpose-built component that balances precision and durability for Chevrolet, Buick, GMC, and Cadillac applications.
The sensor’s build reflects OE standards: molded housing, crimp connector, and alloy steel contact materials. Measurements, approximately 2 x 1.5 x 1 inches and 0.32 ounces, suit tight dash locations.
How robust is it? Tested to GM protocols, updated materials improve longevity.
What should a buyer consider? Fitment, connector type, and IP00 protection level. The tone is practical, encouraging confident replacement and vehicle liberation through reliable OEM engineering.
Technical Specifications Breakdown
Because it ties directly to dash illumination and automatic headlamp behavior, a clear breakdown of the GM Genuine Parts 13498958 technical specs helps buyers assess fit and function before purchase.
The sensor is described as ON-NONE-ON operation, normally open contacts, crimp connector, 2 x 1.5 x 1 inches, 0.32 ounces, 1-way circuit, push-button actuator, alloy steel contacts, IP00 protection, X-10 connectivity, single position.
What practical limits exist? Limited ingress protection and basic protocol imply indoor-level exposure only.
How does size matter? Compact dimensions ease tight dash mounting.
Consider weight and connector type for installation freedom.
Compatibility and Vehicle Fitment
While compatibility is often assumed, confirming vehicle fitment for the GM Genuine Parts 13498958 ambient light sensor requires checking specific model, year, and trim details.
This sensor is engineered for Chevrolet, Buick, GMC, and Cadillac platforms and matches the original-equipment form factor, mounting points, and electrical interface in compatible vehicles.
Readers seeking freedom from guesswork can verify fitment by part number and OEM cross-reference, measurements (2 x 1.5 x 1 inches), and connector type.
Considerations include harness pinout, mounting depth, and dash clearance.
- Verify VIN-specific compatibility.
- Confirm connector/crimp type.
- Check mounting dimensions.
- Assess electrical match.
Customer Ratings, Warranty, and Return Policy
Having checked fitment, buyers often look next at real-world feedback and protections: the GM Genuine Parts 13498958 ambient light sensor carries a 4.3 out of 5 star average from 420 ratings, which signals generally positive user experience but also invites a closer look at warranty and return options.
Readers seeking automotive freedom get practical facts:
Warranty? Refer to the product page for specific coverage, duration, and claim steps.
Return policy? Amazon’s voluntary 30-day return guarantee applies.
Q: What to evaluate? Durability, IP00 protection, 2 x 1.5 x 1 in size, weight 0.32 oz, and seller responsiveness.
Frequently Asked Questions
How Difficult Is DIY Installation for This Sensor?
Typically moderate; the installer with basic tools and vehicle familiarity can complete the swap quickly, promoting autonomy. Those uneasy with wiring or dashboard trim should seek professional help to avoid damage or misalignment and preserve factory standards.
Does It Require Recalibration After Replacement?
No recalibration is typically required; the sensor self-integrates with vehicle systems after installation. Enthusiasts seeking autonomy should verify operation and clear any stored codes, ensuring liberated control over accurate ambient light responsiveness.
Are There Any Known Issues in Extreme Temperatures?
No widespread failures in extreme temperatures are reported, though some users note occasional sensitivity shifts in severe heat or cold; the sensor’s OE design minimizes risk, but exposure beyond rated conditions may affect reliability and require replacement.
Can Aftermarket Connectors Be Used Safely?
Aftermarket connectors can be used cautiously; the speaker recommends quality, OEM-equivalent parts and proper crimping to preserve signal integrity and sealing. Poor connectors risk failures, voided warranties, and reduced reliability under harsh conditions.
Is There an OEM Part Number Cross-Reference List?
No extensive OEM cross-reference list is provided; users are advised to consult GM parts catalogs or a dealer for exact cross-references. Empowered owners may compare OE numbers, ACDelco listings, and VIN-specific parts data to validate compatibility.
Conclusion
Like a pocket watch kept in a glovebox, the GM Genuine Parts 13498958 reliably times cabin brightness: 4.3/5 from 420 users confirms consistent performance. It measures ambient light, adjusts displays, conserves battery, and meets OE fitment standards. Dimensions are compact, connector type is crimp, actuator is push-button; install time typically under 30 minutes. Warranty and Amazon’s 30-day return add protection. Is it practical? Yes—durable, precise, and straightforward to replace.
