GMC 23487170 Rear Row Overhead Interior Dome Light Lamp 2ND

( Manufacturer Part Number: 23487170 ), ( Mounting Style: Screws ), ( Items Included: Bulbs ), ( Vintage Part: No ), ( Placement On Vehicle: Rear ), ( Type: Interior Lighting ), ( Year: 14 15 16 17 18 2014 2015 2016 2017 2018 ), ( Oe/oem Part Number: 15940146, 23487170 1704141977 ), ( Voltage: 12 V ), ( Lens Color: Clear ), ( Country Of Origin: China )

Review GMC Rear 2nd Row Overhead Interior Dome Light Lamp Oem fits SIERRA 1500 2014–2018

The **GMC Sierra (Part #23487170) 2014 2018 Rear Second-Row Overhead Interior Dome Light Lamp** is a precision-engineered lighting component designed to illuminate the rear passenger seating area of your full-size pickup truck, ensuring visibility and safety during nighttime travel or low-light conditions. Crafted to meet the exact specifications of the 2014 through 2018 model years, this dome light lamp features a durable, high-quality housing that securely mounts to the overhead console above the second-row seats, providing even, glare-free illumination across the cabin. The lamp utilizes a reliable **LED or incandescent bulb** (depending on the year and trim level), delivering bright, long-lasting light that enhances comfort and convenience for passengers while driving or parked. Its sleek, integrated design blends seamlessly with the truck s interior, maintaining a clean and uncluttered appearance without compromising functionality. Whether you re navigating a dark parking lot, loading cargo at night, or simply ensuring the safety of rear-seat passengers, this dome light lamp ensures optimal visibility with minimal effort. Built to withstand the rigors of daily use, it resists vibration and moisture, making it a dependable choice for both daily drivers and heavy-duty work trucks. Replacing this lamp is a straightforward process, requiring only basic tools, and it serves as an ideal upgrade for those looking to restore or enhance the lighting in their Sierra s rear cabin. With its precise fit and reliable performance, this part is an essential component for maintaining a well-lit, secure, and user-friendly interior.

### **Pros and Cons of Buying a 2014 2018 GMC Sierra (Rear Second-Row Overhead/Dome Light Lamp)**

1. **Affordability** Replacement lamps for this model are generally inexpensive, often ranging from $10 to $30 per bulb, depending on brand and type (LED, halogen, or HID). Bulbs for overhead console lights and dome lights are particularly budget-friendly.

2. **Easy Availability** Bulbs for this generation of GMC Sierra are widely stocked at auto parts stores (AutoZone, O Reilly, Advance Auto, etc.) and online retailers (Amazon, RockAuto, eBay). Bulbs are often sold in bulk packs, allowing for replacements for multiple lights at once.

3. **Simple Installation** Dome lights and overhead console lamps are typically accessible without extensive disassembly. Dome lights usually require removing the trim panel or headliner, while overhead console lights may involve unclipping a cover or removing a few screws. No wiring modifications are usually needed unless upgrading to LED.

4. **Long-Term Reliability** Halogen bulbs (the original factory type) are durable and have a long lifespan (typically 500 1,000 hours). If the bulbs are still functional, replacing them is a straightforward maintenance task.

5. **Compatibility with Upgrades** Many aftermarket LED bulbs are designed to fit standard halogen sockets, offering brighter illumination and better visibility. LED upgrades can also reduce heat and improve longevity.

6. **Minimal Risk of Damage** Unlike engine or transmission parts, replacing a light bulb carries almost no risk of causing further damage to the vehicle. The worst-case scenario is a minor trim panel scratch or a misaligned socket.

7. **DIY-Friendly** This is a task well-suited for beginners, requiring only basic tools (screwdriver, possibly a trim tool) and no specialized equipment.

---

1. **Potential for Counterfeit Parts** Cheap aftermarket bulbs may not meet quality standards, leading to premature failure or poor performance. Always purchase from reputable brands (e.g., Philips, Sylvania, Osram, or trusted LED manufacturers like A19 LED or LED Bulbs Direct).

2. **Dome Light Wiring Issues** Some older GMC Sierras have wiring harnesses that can become frayed or corroded over time, especially if the dome light has been replaced multiple times. Inspect the wiring for damage before installation.

3. **Overhead Console Light Accessibility** The overhead console light may require removing the entire console cover, which can be cumbersome. Some owners report that the clips holding the cover in place can be tricky to release.

4. **LED Upgrade Limitations** While LED bulbs are brighter, some may not produce the same warm white light as halogens. Additionally, some LED bulbs may not fit perfectly in the socket, requiring a slight bend or adapter.

5. **Factory Bulb Incompatibility with LED** Some GMC Sierras use bulbs with integrated resistors (e.g., P21W or P14W), which may not work with standard LED bulbs. A resistor kit or compatible LED bulb (e.g., Philips LED P21W) is needed to avoid flickering or damage.

6. **Trim Panel Wear** If the dome light trim panel is old, it may crack or peel when removed, requiring replacement. Some owners opt to leave the panel off permanently for easier bulb access.

7. **Fuse or Relay Failure** Rarely, a dome light or overhead light may not work due to a blown fuse or faulty relay. Checking the vehicle s fuse box (located in the engine bay or under the dashboard) is a good troubleshooting step before assuming the bulb is faulty.

---

Replacing the rear second-row overhead or dome light lamp in a 2014 2018 GMC Sierra is a **low-risk, high-reward** task. The cost is minimal, the parts are easy to find, and the installation is straightforward even for those with limited mechanical experience. The primary considerations are ensuring you purchase quality bulbs, inspecting wiring for damage, and accounting for any potential fitment issues if upgrading to LED.

If the bulbs are simply burned out, this is a quick 15 30 minute job that improves visibility and safety. If you re upgrading to LED, verify compatibility with your specific bulb type and consider a resistor kit if needed. For dome lights, be mindful of trim panel condition and wiring integrity.

---

- **For halogen replacement:** Purchase **Philips or Sylvania P21W/P14W** bulbs (or equivalent) for dome/overhead lights. These are reliable, widely available, and match the factory brightness.

- **For LED upgrade:** Choose a **compatible LED bulb** (e.g., Philips LED P21W or A19 LED) and ensure it fits the socket without modification. If the bulb requires a resistor, include one in your purchase.

- **Tools needed:** Basic screwdriver (Phillips or flathead, depending on trim), trim tool (plastic pry tool), and possibly a fuse tester if troubleshooting electrical issues.

- **Safety tip:** Turn off the ignition and remove the key before handling bulbs to avoid electrical shock.

- **Pre-purchase check:** If buying a used bulb, inspect the packaging for signs of tampering or low-quality materials. For online purchases, stick to well-reviewed sellers.

**Final Verdict:** This is a **low-effort, high-value** maintenance task with almost no downsides if approached correctly. Proceed with confidence, especially if you re comfortable with basic vehicle interior repairs.

Details:

Donor Vehicle: 2018 GMC SIERRA 1500 SLT. This genuine OEM part is in good working condition. Please see all photos for exact details. Auto Element Hub BOX: 834 2018 GMC SIERRA 1500 SLT.

PART NUMBER S: 23487170 1815. Removed from a driving 2018 GMC SIERRA 1500 SLT and thoroughly inspected.

part #: 23487170 prices

• $43.99-$75.00

specifications interiorlightsot:

• for models: 1500, Sierra
• for makes: Gmc
• for years: 2014-2018
• mpn: 23487170
• mounting style: Screws
• items included: Bulbs
• vintage part: No
• placement on vehicle: Rear
• type: Interior Lighting
• year: 14 15 16 17 18 2014 2015 2016 2017 2018
• oe/oem part number: 15940146, 23487170 1704141977
• voltage: 12 V
• lens color: Clear
• country of origin: China

seller interiorlightsot:

• city: Jacksonville, Florida
• # reviews: 3003
• rating: 99.8%

general interiorlightsot:

• Car Truck Parts Accessories > Lighting Lamps > Interior Light Assemblies
• condition: Used

payments interiorlightsot:

• wallet: Paypal
• credit card: Diners-club
• other

returns interiorlightsot:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

shipping interiorlightsot:

• carrier: USPS
• transit: 5-10 Days
• cost: $10.00
• class: Standard
• service: USPS Ground Advantage
• type: Fixed

offer interiorlightsot:

• started: April 16, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock

Gmc 23487170 Is Similar To:

• 012609 Cadillac Escalade Esv Gmc Oem Dash Board Light Solar Ambient (25.9% similar) Up for sale is a oem original Cadillac light...(September 20th, 2018)
• 13595178 Gmc Acadia Dash Interior Courtesy Glove Box Lower Lamp Light (34.9% similar) Expedited shipping available, directly for details. Products sold in quantities will show a single image representing the others equal or greater condition...(October 30th, 2018)
• 1403520 Oem Gm Part Chevrolet Gmc Truck Dome Light Assembly (27.3% similar) This light has been tested and works as it should. Includes a used, working light bulb and the two mounting screws. The plastic base is intact, and solid, but chrome on this one weak, with fading light scratches. This listing is for one 1 dome light assembly-used. Not for a concourse restoration, ...(January 20th, 2019)
• Light Van Prices Chevrolet 1500 blue Truck T Base Dome Work Gmc Express Savana (12.6% similar) The reflector housing is intact, not cracked. The bezel has the numbers condition is about average for it's age. This offer is for one 1 dome light assembly used. The bezel is intact, no cracks. Please see my other offers for more dome lights, lenses, and other unique items. This offer does not ...(December 5th, 2014)
• 95 1500 Map 94 Gmc Lights 88 2500 Oem Prices 96 Light 92 98 90 Dome Chevrolet Cheyenne (28.9% similar) Anywhere in the USA. It is in good working condition as seen in the photos above. Happy buying. Here for sale is a gray Chevrolet Cheyenne gmc dome light map lights oem. Shipping and handling costs this was in good working order when pulled from the vehicle...(December 20th, 2014)
• Gmc Interior 1500 90 Prices Reg Cab 88 Overhead 94 91 89 Silverado 92 93 Light Sierra (26.7% similar) Thanks most popular. Br table height 28PX middle face size 2 b a store. How SCLNK1 BR a a up for sale is a good used 1992 Silverado free. A on Jan at PST, free. The interior color code is 15D which is med. 7 regular cab interior overhead dome light, oem...(January 6th, 2015)
• Light Savana tan Truck Work Bezel 1500 Chevrolet Express T Prices Gmc Dome Van (12.6% similar) Not for a concourse rest, but should be perfectly usable to replace a missing, broken, or deteriorated original. This offer does not include the light socket assembly this assembly attaches over the top of the light socket. Please see my other offers for more dome lights, lenses, and other unique ...(March 7th, 2015)
• 15013236 Dome Lamp Kit 1997 Chevy Gmc Nos (28.1% similar) Please feel free to ask any questions. Please review photos to make sure mine is right for you. Dome lamp kit 1997 Chevy gmc nos...(July 1st, 2016)
• 15059752 Gm Chevrolet Gmc Genuine Roof Lamp Assembly (27.3% similar) Your use and browsing of this parts catalog is at own risk. Extended cab, outer. Sold individually. Standard cab, outer. Shipping carrier substitutions may be made at our determination in an attempt to reduce cost. Electrical parts are not returnable...(May 20th, 2018)
• Tahoe Light 15166041 Tan Suburban Yukon Dome Gm Chevy Silverado Map Gmc Sierra (20.3% similar) It does have a few scratches and signs of wear. This item is used but has been tested and works perfectly. There are no cracks or breaks. Please see the pictures. The part number is. However, most of them can only be seen close up. You are buying on a dome map light that was taken out of a 2004 ...(November 11th, 2014)
• 15219564 Gm Chevrolet Gmc Genuine Lamp Cler Ctr (23.6% similar) Parts must be resalable and in the original packaging. Electrical parts are not returnable. Your use and browsing of this parts catalog is at own risk. Extended cab, center. Shipping carrier substitutions may be made at our determination in an attempt to reduce cost. Standard cab, center...(May 20th, 2018)