PONTIAC 303312 Rear Right Marker Light

( Manufacturer Part Number: 303312 ), ( Core Charge: 1.00 Which Is Included In The Total Price ), ( Seller Notes: Red ), ( Genuine Oem: No ), ( Type: Side Marker Light ), ( Manufacturer Warranty: 90 Day ), ( Compatibility: Firebird 82-90 Rear; ), ( Interchange Item Code: 168 )

Review PONTIAC Used Rear Right Side Marker Light Gr fits FIREBIRD 1989

The **Pontiac 303312 Rear Right Marker Light** is a precision-engineered, high-quality replacement component designed specifically for the **1989 Pontiac Firebird**, ensuring both functionality and a seamless fit for this iconic muscle car. Crafted to meet or exceed OEM standards, this marker light features a durable, polycarbonate lens that provides clear, reliable illumination for enhanced visibility during nighttime driving or low-light conditions. The housing is constructed from robust, corrosion-resistant materials, including a sturdy metal frame and a protective rubber gasket, which helps prevent water intrusion and ensures long-lasting performance even in harsh weather conditions. The light assembly incorporates a reliable incandescent bulb socket, compatible with standard 12-volt automotive bulbs, allowing for easy installation and maintenance. Whether restoring a classic Firebird or maintaining one in pristine condition, this marker light delivers the crisp, focused glow essential for compliance with traffic regulations and driver safety. Its compact yet sturdy design ensures a perfect fit within the Firebird s rear bumper housing, blending seamlessly with the vehicle s original aesthetics while delivering dependable functionality. Ideal for both professional mechanics and DIY enthusiasts, this replacement part is a straightforward upgrade that restores both form and function to your Firebird s tail section.

### **Pros and Cons of Buying a 1989 Pontiac Firebird with a Replacement Rear Right Marker Light (Part #303312)**

#### **Pros of purchasing a Replacement Marker Light (Part #303312)**

1. **Authentic Fit and Function** The part is designed specifically for the 1989 Pontiac Firebird, ensuring a proper fit without modifications. This reduces the risk of misalignment or improper installation, which could lead to visibility issues or mechanical problems.

2. **Reliability and Durability** OEM (Original Equipment Manufacturer) or high-quality aftermarket parts are built to last, especially if the material is durable plastic or polycarbonate with proper mounting hardware. This minimizes the chance of early failure due to poor-quality materials.

3. **Safety Compliance** A properly functioning marker light ensures the vehicle meets legal requirements for visibility, reducing the risk of fines or accidents due to non-compliance with traffic laws.

4. **Easy Installation** The part appears to be a straightforward replacement, requiring only basic tools (screwdriver, socket set, etc.). No wiring modifications are typically needed unless the original wiring harness is damaged.

5. **Cost-Effective Solution** Replacing a single marker light is significantly cheaper than buying a used Firebird or repairing extensive electrical or body damage. The part itself is relatively inexpensive compared to labor costs for a full restoration.

6. **Prevents Further Damage** A broken or missing marker light can lead to moisture ingress, rust, or electrical shorts if left unattended. Replacing it early prevents secondary issues.

7. **Aesthetic Consistency** If the vehicle is being restored or maintained, replacing a damaged marker light with an authentic part preserves the original appearance, which is important for collectors or enthusiasts.

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#### **Cons of purchasing a Replacement Marker Light (Part #303312)**

1. **Potential Counterfeit Parts** If purchasing from an untrusted seller (e.g., eBay, Facebook Marketplace, or unknown online stores), there is a risk of receiving a counterfeit or low-quality replica. These may not fit correctly, could fail quickly, or may not meet safety standards.

2. **Limited Availability of OEM Parts** OEM parts for older vehicles like the 1989 Firebird can be difficult to source, especially if the seller does not have a reputable inventory. Aftermarket parts may vary in quality, and some cheaper alternatives might not be as durable.

3. **Hidden Electrical Issues** If the marker light s wiring harness or connections are corroded or damaged, replacing just the bulb or lens may not solve the problem. A thorough inspection of the electrical system may be required, adding unexpected costs.

4. **Body Rust or Frame Damage** The marker light is mounted on the rear of the vehicle, which is prone to rust and impact damage. If the surrounding area is corroded, replacing just the light may not address structural issues that could affect safety or drivability.

5. **Compatibility Concerns** While the part number suggests it fits a 1989 Firebird, slight variations exist between models (e.g., Trans Am vs. base Firebird, different trim levels). Double-checking the exact fitment (e.g., year, body style, and trim) is crucial to avoid purchasing the wrong part.

6. **Labor Costs if DIY is Uncomfortable** While the installation is relatively simple, some buyers may lack mechanical experience. If hiring a professional mechanic is necessary, labor costs could offset the savings of buying a part.

7. **Opportunity Cost** If the vehicle has other neglected issues (e.g., suspension, engine, transmission), spending money on a single part may not be the best use of funds. Prioritizing critical repairs could be more cost-effective in the long run.

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### **Conclusion**

Replacing a rear right marker light on a 1989 Pontiac Firebird with an authentic or high-quality aftermarket part (#303312) is a practical and relatively low-risk investment. The benefits such as improved safety, compliance with regulations, and preservation of the vehicle s original appearance outweigh the minor drawbacks, provided the part is sourced responsibly and the installation is done correctly. However, buyers should verify the part s authenticity, ensure compatibility with their specific Firebird model, and inspect the surrounding area for hidden issues (e.g., rust, wiring problems) before proceeding.

If the vehicle is part of a larger restoration project, addressing the marker light early can prevent minor issues from becoming major problems later. For casual drivers or those restoring a Firebird for enjoyment rather than competition, this replacement is a straightforward and worthwhile upgrade.

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### **Recommendation**

1. **Source the Part from a Trusted Supplier** Purchase from a reputable dealer, an online marketplace with seller ratings (e.g., RockAuto, Summit Racing, or eBay with verified positive feedback), or a local auto parts store that specializes in classic cars. Avoid unknown sellers offering parts at unusually low prices, as this may indicate counterfeit goods.

2. **Verify Compatibility** Confirm that the part (#303312) is indeed correct for your 1989 Firebird s specific trim (e.g., base model, Trans Am, or luxury trim) and body style (e.g., coupe vs. convertible). Check the part s description or consult a Firebird-specific forum for clarification.

3. **Inspect the Installation Area** Before replacing the light, examine the surrounding bodywork for rust, cracks, or electrical corrosion. Clean and repair any damaged areas to ensure the new part lasts.

4. **Test the Functionality** After installation, verify that the marker light operates correctly in both "on" and "off" states (e.g., when the brake lights are activated). If the light flickers or fails, check the wiring and connections.

5. **Consider Bundling with Other Repairs** If the vehicle has other neglected components (e.g., taillights, turn signals, or body panels), address them simultaneously to avoid future hassles. This is especially important if the Firebird is being prepared for sale or display.

6. **Document the Repair** Keep records of the part number, purchase date, and installation details. This helps with warranty claims (if applicable) and future troubleshooting.

**Final Verdict:** **Proceed with the purchase and replacement** if the part is authentic, the installation is straightforward, and the vehicle s other systems are in reasonable condition. This is a low-risk, high-reward upgrade that enhances both the functionality and curb appeal of the Firebird. However, prioritize the replacement over other critical repairs if the vehicle has significant underlying issues.

Details:

Warranty is not transferable. Adjust shiftier and kick down cables linkage if applicable. This part fits vehicles made in the following years 1985 ,1986,1987,1988, 1989 ,1990. Unless specified as Universal this is a direct fit Side Marker Light.

Menu .: 100% TESTED. Flush or replace transmission cooler and lines. FAQ's: here.Failure caused by or related to collisions, theft, vandalism any act of God.

Clear all computer fault codes. Engine warranty is contingent upon installation of new intake manifold gaskets. Manual transmissions follow the same procedure as above if applicable. B Failure caused by towing a trailer unless your vehicle is rated the manufacturer for.

The words un examined or unchecked on the delivery note/docket are not acceptable. Shearing or breaking of teeth in a standard transmission is not warranted under any circumstances. Transmissions:Replace the following with new parts: front pump and output shaft seals, pan gaskets filter. 90 DAY MONEY BACK GUARANTEE.

Every part is cleaned, tested and inspected by experts. 3.Warranty is valid to original purchaser only. Manufacturer Brand: Color: Position: Fitment Notes: Rear Right. 4.This part may have accessories that are attached and must be removed or switched for proper installation.

Engine installations follow the procedures:Replace following parts if applicable: timing belt, water pump, thermostat, spark plugs, fluids, oil pan gasket, and filter. Warranty covers slippage, shifting failures and/or bearing noise. 90 Day Replacement Warranty. All the above installation should be in accordance with manufacturer guidelines including proper quantity and fill levels of fluids any technical service bulletins updates.

part #: 303312 price

• $113.81

specifications sidemarkeligh:

• for models: Firebird
• for makes: Pontiac
• for years: 1989
• mpn: 303312
• core charge: 1.00 Which Is Included In The Total Price
• seller notes: Red
• genuine oem: No
• type: Side Marker Light
• manufacturer warranty: 90 Day
• compatibility: Firebird 82-90 Rear;
• interchange item code: 168

payments sidemarkeligh:

• other
• credit card: Discover
• wallet: Google-pay

offer sidemarkeligh:

• availability: In Stock
• best offers: True
• options: Ship-to-home
• quantity: 1
• sold: 0
• started: June 11, 2026

general sidemarkeligh:

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

shipping sidemarkeligh:

• transit: 5-13 Days
• carrier: USPS
• class: Expedited
• cost: $0.00
• type: Fixed
• service: USPS Priority Mail

returns sidemarkeligh:

• paid by: Seller
• time: 60 Days
• policy: Returns Accepted

seller sidemarkeligh:

• rating: 98.3%
• city: Bloomfield, Iowa
• # reviews: 1316

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