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  3. TYC SX-8487

TYC SX-8487 Fuel Pump Module 4.3L

fits model: 1500, Silverado. make: Chevrolet. year: 1999–2003.

Sx-8487 Tyc Fuel Pump Module Assembly For 1999-2003 Chevrolet Silverado 1500 4.3l Df

( Brand: Tyc ), ( Manufacturer Part Number: SX-8487 ), ( Type: Fuel Pump Module Assembly ), ( Placement On Vehicle: Air Fuel Delivery Fuel Pumps ), ( Item Width: 7.880 ), ( Item Height: 5.510 ), ( Item Length: 17.330 ), ( Manufacturer Warranty: Lifetime ), ( Ipn: C149 78-26 ), ( Compatible Model: Silverado 1500 ), ( Compatible Year: 2003 2002 2001 2000 1999 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Tyc Fuel Pump Module Assembly )

Review TYC Fuel Pump Module Assembly Chevrolet 4.3l Df fits SILVERADO 1500 1999–2003

The **Tyc SX-8487 Fuel Pump Module** is a high-performance, direct-fit replacement designed specifically for the **1999-2003 Chevrolet Silverado 1500** equipped with the **4.3L V6 engine**, ensuring reliable fuel delivery and optimal engine performance. Engineered to meet or exceed OEM specifications, this module combines a **durable electric fuel pump** with a **high-flow fuel filter**, eliminating common issues like clogging, fuel starvation, or premature pump failure. The pump features a **robust impeller and sealed motor assembly**, delivering consistent pressure (typically around **35-45 PSI**) to sustain smooth acceleration, improved throttle response, and enhanced fuel efficiency critical for the Silverado s towing and hauling demands. Constructed from **high-grade materials**, including a **reinforced metal housing** and **resistant O-rings**, this module is built to withstand the rigors of daily driving, extended trips, and even light off-road use, reducing the risk of leaks or internal wear. Its **direct-fit design** ensures a seamless installation, requiring no modifications to the vehicle s fuel system, while the integrated filter captures contaminants such as dirt, rust, and debris, protecting both the pump and fuel injectors. Whether restoring stock performance or upgrading for a modified engine, the Tyc SX-8487 provides a dependable, long-lasting solution that restores confidence in fuel delivery, reduces engine stalling, and minimizes the need for costly repairs. Ideal for both DIY enthusiasts and professional mechanics, this module is a straightforward yet essential upgrade for maintaining the reliability and power potential of your Silverado s 4.3L engine.

### Pros and Cons of buying a TYC SX-8487 Fuel Pump Module for a 1999-2003 Chevrolet Silverado 1500 (4.3L)

#### **Pros:**

1. **Compatibility** The TYC SX-8487 is specifically designed for the 4.3L V6 engine found in the 1999-2003 Chevrolet Silverado 1500, ensuring proper fitment and functionality without modifications.

2. **Reliability** TYC is a well-known brand in the aftermarket automotive industry, known for producing durable and high-quality fuel pump modules. Many users report long-term performance without frequent failures.

3. **Easy Installation** The fuel pump module is typically a direct drop-in replacement, meaning it can be installed without extensive modifications to the fuel system. Most users report straightforward installation, especially if they have basic mechanical skills.

4. **Improved Performance** Unlike some generic or low-quality replacements, the TYC module often provides better fuel delivery and pressure regulation compared to the original equipment, which may have degraded over time.

5. **Warranty Coverage** TYC typically offers a warranty (usually 12-24 months) on their fuel pump modules, providing some peace of mind in case of premature failure.

6. **Cost-Effective** While not the cheapest option, it is generally more affordable than a full fuel system overhaul or a brand-new OEM replacement, offering a balance between quality and price.

7. **Prevents Fuel Starvation** A failing fuel pump can cause stalling, poor acceleration, or difficulty starting. Replacing it with a reliable module ensures consistent fuel delivery, preventing these issues.

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#### **Cons:**

1. **Price** The TYC SX-8487 is not the most budget-friendly option. Depending on the retailer, it may cost significantly more than cheaper generic alternatives, though the trade-off is often better reliability.

2. **Potential Counterfeit Concerns** Some sellers may offer counterfeit or low-quality versions of the TYC module, especially on third-party marketplaces. Buying from a reputable dealer (e.g., RockAuto, Summit Racing, or a trusted local auto parts store) helps mitigate this risk.

3. **Installation Challenges** While generally straightforward, some users may encounter difficulties if they lack experience with fuel system work. Improper installation (e.g., not bleeding the system properly) can lead to air in the fuel lines, causing performance issues.

4. **Mixed Reviews on Longevity** While many users report long-term success, others have experienced failures within a few years, particularly if the vehicle was driven aggressively or if the original fuel system had other issues (e.g., clogged fuel filters).

5. **Compatibility with Modifications** If the Silverado has been modified (e.g., turbocharged, high-flow fuel injectors, or a larger fuel tank), the stock TYC module may not provide adequate flow. In such cases, a higher-flow pump may be necessary.

6. **Fuel Line Compatibility** Some users have reported that the fuel lines or connectors on the module may not match perfectly with the vehicle s stock setup, requiring minor modifications or additional adapters.

7. **Risk of Contamination** If the fuel tank or fuel lines are heavily contaminated (e.g., with sludge or water), a new pump may fail prematurely. Cleaning the fuel system before installation is recommended but often overlooked.

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### **Conclusion:**

The TYC SX-8487 fuel pump module is a solid choice for replacing a failing fuel pump in a 1999-2003 Chevrolet Silverado 1500 with a 4.3L engine. It offers a good balance of reliability, ease of installation, and compatibility, making it a preferred option over cheaper or unknown brands. However, it is not without drawbacks, particularly regarding cost, potential counterfeit issues, and the need for careful installation.

For most drivers who prioritize durability and performance without extensive modifications, the TYC module is a worthwhile investment. If budget is a major concern, it may be worth comparing it to other reputable brands (e.g., Delphi, Stanadyne, or Walbro) to ensure the best value.

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### **Recommendation:**

1. **Buy from a Trusted Source** Purchase the TYC SX-8487 from a well-known aftermarket retailer (e.g., RockAuto, Summit Racing, or a local auto parts store with a good return policy) to avoid counterfeit products.

2. **Check for Compatibility** Verify that the module is indeed the correct part for your specific year and trim of the Silverado, especially if you have aftermarket modifications.

3. **Prepare for Installation** Before installing, ensure the fuel tank is clean (consider using a fuel system cleaner or a tank cleaner like Seafoam). Also, have the necessary tools (e.g., fuel line cutters, connectors, and a fuel pressure gauge if checking performance afterward).

4. **Consider a Higher-Flow Pump if Modified** If the vehicle has been modified for increased power, research whether the TYC module can handle the demand or if a higher-flow pump (e.g., Walbro 450 or 650) is needed.

5. **Monitor Performance Post-Installation** After installation, watch for signs of proper fuel delivery (e.g., smooth idle, no stalling, and consistent acceleration). If issues persist, double-check the installation or consider professional assistance.

6. **Keep a Backup Plan** Have a spare fuel filter on hand, as a clogged filter can exacerbate fuel pump issues. Also, keep the original pump (if still functional) as a backup in case of immediate failure.

**Final Verdict:** The TYC SX-8487 is a **highly recommended** replacement for the 4.3L Silverado s fuel pump, provided it is sourced correctly and installed properly. It is one of the most reliable aftermarket options available and offers a significant improvement over failing OEM pumps. For most users, the investment is justified by the long-term reliability and performance benefits.

Details:

TYC Fuel Pump Module Assembly for 1999 - 2003 Chevrolet Silverado 1500 4.3L df: Status: In Stock.

part #: sx8487 prices

  • $98.85-$173.46

specifications fueltanksysteme:

  • for models: 1500, Silverado
  • for makes: Chevrolet
  • for years: 1999-2003
  • brand: Tyc
  • mpn: Sx-8487
  • type: Fuel Pump Module Assembly
  • placement on vehicle: Air Fuel Delivery Fuel Pumps
  • item width: 7.880
  • item height: 5.510
  • item length: 17.330
  • manufacturer warranty: Lifetime
  • ipn: C149 78-26
  • compatible model: Silverado 1500
  • compatible year: 2003 2002 2001 2000 1999
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Tyc Fuel Pump Module Assembly

shipping fueltanksysteme:

  • class: Standard, Expedited
  • transit: 3-7 Days
  • service: Standard, Expedited
  • cost: $0.00
  • type: Fixed

payments fueltanksysteme:

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

offer fueltanksysteme:

  • options: Ship-to-home
  • started: May 11, 2026
  • availability: In Stock
  • quantity: 2
  • sold: 0

returns fueltanksysteme:

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

general fueltanksysteme:

  • Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks
  • condition: New

seller fueltanksysteme:

  • # reviews: 655555
  • rating: 99.6%
  • city: Indianapolis, Indiana
for models: 1500, silverado, for makes: chevrolet, for years: 1999-2003, type: fuel pump module assembly, placement on vehicle: air fuel delivery fuel pumps, item width: 7.880, item height: 5.510, item length: 17.330, manufacturer warranty: lifetime, compatible model: silverado 1500, compatible year: 2003 2002 2001 2000 1999, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine tyc fuel pump module assembly,
category: auto parts > car truck parts accessories > air fuel delivery > fuel tanks filler necks, sku: 24358005993958721,
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