1. Used Automotive Fuel Pumps & Sending Units Offers
  2. sku: 6247321841820721
  3. CARTER SX-6690

CARTER SX-6690 Mechanical Fuel Air Pump K15 5.7L 6.6L V8

fits make: Gmc. year: 1975–1977.

Sx-6690 Carter Mechanical Fuel Pump For 1975-1977 Gmc K15 5.7l 6.6l V8 Air Delivery Yy

( Brand: Carter ), ( Type: Mechanical Fuel Pump ), ( Manufacturer Part Number: SX-6690 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C448 50-47 ), ( Compatible Model: K15 ), ( Compatible Year: 1977 1976 1975 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Carter Mechanical Fuel Pump )

Review CARTER Mechanical Fuel Pump Gmc K15 5.7l 6.6l V8 Air Delivery fits 1975–1977

Introducing the Carter SX-6690 Mechanical Fuel Pump, an essential component for the 1975-1977 GMC K15 trucks equipped with the 5.7L and 6.6L V8 air-cooled engines. This fuel pump is a direct replacement for the original part, ensuring reliable performance and ease of installation.

The Carter SX-6690 is a mechanical fuel pump, which means it operates using the engine vacuum to draw fuel from the tank and deliver it to the carburetor. The pump housing is constructed from durable, corrosion-resistant materials, designed to withstand the rigors of off-road use and extended periods of storage. The impeller is engineered for optimal flow rate and efficiency, ensuring consistent fuel delivery to the engine.

One of the key features of the Carter SX-6690 is its innovative design that addresses common issues with the original fuel pump. The pump includes a one-way check valve, which prevents fuel from flowing back into the tank when the engine is off, reducing the risk of vapor lock and improving starting performance. Additionally, the pump comes with a built-in filter screen, which helps to protect against debris and contaminants in the fuel.

The Carter SX-6690 Mechanical Fuel Pump is designed to fit seamlessly into your GMC K15's fuel system. It comes with all necessary mounting hardware, making installation a straightforward process. The pump also includes a gasket to ensure a tight seal and prevent leaks.

In summary, the Carter SX-6690 Mechanical Fuel Pump is a high-quality, reliable replacement for the original fuel pump on 1975-1977 GMC K15 trucks with 5.7L and 6.6L V8 air-cooled engines. Its durable construction, innovative design features, and easy installation make it an excellent choice for restoring your classic truck to its former glory or keeping it running strong on the trails.

Buying a Carter SX-6690 mechanical fuel pump for a 1975-1977 GMC K15 5.7L 6.6L V8 air-covered engine comes with several pros and cons.

Pros:

1. Durability: Mechanical fuel pumps are known for their durability and reliability compared to their electric counterparts. The Carter SX-6690 is a proven design and is less likely to fail due to electrical issues.

2. Easier Installation: Mechanical fuel pumps do not require an electrical connection, making them easier to install. This can save time and money on installation costs.

3. Cost-Effective: Mechanical fuel pumps are generally less expensive than electric fuel pumps, making them a cost-effective option for vehicle owners.

Cons:

1. Noise: Mechanical fuel pumps can be noisier than electric fuel pumps, as they rely on the engine vacuum to function. This can be a concern for some vehicle owners who prefer a quieter ride.

2. Limited Compatibility: The Carter SX-6690 mechanical fuel pump may not be compatible with all 1975-1977 GMC K15 engines. It is important to ensure that this pump is the correct fit for your specific engine before making a purchase.

3. Fuel Efficiency: Mechanical fuel pumps can slightly reduce fuel efficiency due to the additional work required to operate the pump. This may not be a significant concern for most vehicle owners, but it is worth considering.

In conclusion, the Carter SX-6690 mechanical fuel pump can be a good choice for 1975-1977 GMC K15 5.7L 6.6L V8 air-covered engine owners looking for a reliable, durable, and cost-effective option. However, the potential for increased noise and slightly reduced fuel efficiency should be weighed against the benefits before making a final decision.

Recommendation: If you are confident that the Carter SX-6690 mechanical fuel pump is the correct fit for your 1975-1977 GMC K15 engine and you prioritize reliability and cost-effectiveness, then this pump is a worthwhile investment. However, if you prefer a quieter ride and are not concerned about the potential for slightly reduced fuel efficiency, then you may want to consider an electric fuel pump instead. Ultimately, it is important to carefully consider your individual needs and preferences before making a purchasing decision.

Details:

Carter Mechanical Fuel Pump for 1975-1977 GMC K15 5.7L 6.6L V8 Air Delivery yy: Status: In Stock.

part #: sx6690 price

  • $54.02

specifications pumpunite:

  • for makes: Gmc
  • for years: 1975-1977
  • brand: Carter
  • type: Mechanical Fuel Pump
  • manufacturer part number: SX-6690
  • manufacturer warranty: 1 Year
  • interchange part number: C448 50-47
  • compatible model: K15
  • compatible year: 1977 1976 1975
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Carter Mechanical Fuel Pump

offer pumpunite:

  • availability: In Stock
  • quantity: 8
  • options: Ship-to-home
  • sold: 0
  • started: April 1, 2025

payments pumpunite:

  • wallet: Apple-pay
  • credit card: Diners-club
  • other

returns pumpunite:

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

general pumpunite:

  • Car Truck Parts Accessories > Air Fuel Delivery > Fuel Pumps Sending Units
  • condition: New

seller pumpunite:

  • city: Indianapolis, Indiana
  • rating: 98.8%
  • # reviews: 550561

shipping pumpunite:

  • cost: $0.00
  • service: Standard, Expedited
  • class: Standard, Expedited
  • transit: 3-7 Days
  • type: Fixed
for makes: gmc, for years: 1975-1977, type: mechanical fuel pump, manufacturer warranty: 1 year, compatible model: k15, compatible year: 1977 1976 1975, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine carter mechanical fuel pump,
category: auto parts > car truck parts accessories > air fuel delivery > fuel pumps sending units, sku: 6247321841820721,

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