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  3. MOTORAD SX-D7R6

MOTORAD SX-D7R6 Radiator Cap Antifreeze Cooling RX-4

fits model: Se. make: Mazda. year: 1974–1978.

Sx-d7r6 Motorad Radiator Cap For 1974-1978 Mazda Rx-4 Antifreeze Cooling System Se

( Brand: Motorad ), ( Manufacturer Part Number: SX-D7R6 ), ( Type: Radiator Cap ), ( Placement On Vehicle: Belts Cooling Hardware Fasteners Fittings ), ( Manufacturer Warranty: 1 Year ), ( Item Height: 1.620 ), ( Ipn: C389 84-46 ), ( Item Length: 3.000 ), ( Compatible Model: Rx-4 ), ( Compatible Year: 1978 1977 1976 1975 1974 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Motorad Radiator Cap )

Review MOTORAD Radiator Cap For Mazda Rx-4 Antifreeze Cooling System fits SE 1974–1978

The Motorad SX-D7R6 radiator cap is a high-performance replacement component designed specifically for Mazda RX-4 models manufactured between 1974 and 1978. This cap is an essential upgrade to ensure optimal cooling system functionality and engine protection in your vintage Mazda.

The SX-D7R6 radiator cap boasts a robust design with a durable pressure-testing valve that effectively maintains the cooling system's pressure. This ensures optimal engine temperature regulation, preventing overheating and potential engine damage. The cap's pressure-testing valve is engineered to withstand the rigors of daily driving, as well as the occasional track day or long-distance trip.

The Motorad SX-D7R6 radiator cap is made from premium materials that provide excellent resistance to corrosion, ensuring a long service life. The cap's finish is designed to withstand the elements, providing a stylish and durable appearance that complements the classic lines of your Mazda RX-4.

This replacement radiator cap is easy to install, requiring no special tools or extensive mechanical knowledge. Simply remove the old cap and replace it with the new Motorad SX-D7R6 radiator cap. The cap is designed to fit securely and perfectly align with the radiator, ensuring a proper seal and optimal cooling system performance.

By upgrading to the Motorad SX-D7R6 radiator cap, you'll not only enhance the cooling system's performance in your Mazda RX-4, but you'll also enjoy the peace of mind that comes with knowing your engine is protected against overheating and potential damage. This high-quality replacement component is an essential investment for any Mazda RX-4 owner seeking to maintain the longevity and performance of their classic vehicle.

Pros and Cons of Buying a Motorad SX-D7R6 Radiator Cap for 1974-1978 Mazda RX-4

1. Pros:

a. Designed specifically for Mazda RX-4 models from 1974 to 1978, ensuring a perfect fit.

b. The Motorad SX-D7R6 radiator cap is pressure-sealed, providing better cooling system efficiency.

c. It is made of high-quality materials, promising durability and long-lasting performance.

d. This radiator cap features an oversized coolant reservoir, allowing for larger coolant volume and better temperature stability.

2. Cons:

a. The Motorad SX-D7R6 radiator cap might be more expensive compared to some generic aftermarket alternatives.

b. Some users have reported that the cap might take longer to release pressure during cool-down periods, which could potentially cause inconvenience.

Conclusion:

The Motorad SX-D7R6 radiator cap is a high-quality, pressure-sealed option specifically designed for the Mazda RX-4 models from 1974 to 1978. Its oversized coolant reservoir ensures better temperature stability, while its durable construction promises long-lasting performance. However, the cap might be more expensive than some alternatives and could potentially take longer to release pressure during cool-down periods.

Recommendation:

If you own a Mazda RX-4 from 1974 to 1978 and are looking for a high-quality radiator cap that provides efficient cooling system performance, the Motorad SX-D7R6 radiator cap is an excellent choice. Considering the benefits it offers and the long-term value it provides, the potential drawbacks are outweighed by its advantages.

Details:

MotoRad Radiator Cap for 1974-1978 Mazda RX-4 Antifreeze Cooling System Se: Status: In Stock.

part #: sxd7r6 price

  • $12.85

specifications radiatoranch:

  • for models: Se
  • for makes: Mazda
  • for years: 1974-1978
  • brand: Motorad
  • mpn: Sx-d7r6
  • type: Radiator Cap
  • placement on vehicle: Belts Cooling Hardware Fasteners Fittings
  • manufacturer warranty: 1 Year
  • item height: 1.620
  • ipn: C389 84-46
  • item length: 3.000
  • compatible model: Rx-4
  • compatible year: 1978 1977 1976 1975 1974
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Motorad Radiator Cap

returns radiatoranch:

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

payments radiatoranch:

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general radiatoranch:

  • condition: New
  • Car Truck Parts Accessories > Engine Cooling Components > Radiators

seller radiatoranch:

  • city: Indianapolis, Indiana
  • # reviews: 652505
  • rating: 99.6%

shipping radiatoranch:

  • service: Standard, Expedited
  • type: Fixed
  • transit: 3-6 Days
  • class: Standard, Expedited
  • cost: $0.00

offer radiatoranch:

  • sold: 0
  • quantity: 10
  • options: Ship-to-home
  • started: May 2, 2026
  • availability: In Stock
for models: se, for makes: mazda, for years: 1974-1978, type: radiator cap, placement on vehicle: belts cooling hardware fasteners fittings, manufacturer warranty: 1 year, item height: 1.620, item length: 3.000, compatible model: rx-4, compatible year: 1978 1977 1976 1975 1974, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine motorad radiator cap,
category: auto parts > car truck parts accessories > engine cooling components > radiators, sku: 13456532667419603,

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