OER AUTHORIZED 748691 Gm Temperature Sending Unit Single Pin Gauges

( Brand: Oer Authorized ), ( Manufacturer Part Number: 748691 ), ( Part Type: Sending Unit Pin Gauge )

Review OER AUTHORIZED Gm Temperature Sending Unit Single Pin Factory Gauges fits 1957-78

1957-78 GM Temperature Sending Unit Single Pin for Gauges - OER Part Number 748691

The OER 748691 1957-78 GM Temperature Sending Unit Single Pin is a crucial automotive component designed to ensure accurate engine temperature readings on gauges. This sending unit, manufactured by OER, is a reliable replacement for your original equipment and is compatible with General Motors vehicles from the years 1957 to 1978.

Constructed with precision engineering, this temperature sending unit features a single pin design that integrates seamlessly with your vehicle's existing wiring harness. The unit is equipped with a robust temperature bulb, carefully calibrated to provide highly accurate temperature readings, ensuring optimal engine performance and longevity.

The OER 748691 temperature sending unit is made from durable, corrosion-resistant materials, designed to withstand the harsh conditions of your engine bay. This ensures consistent, reliable operation, even in the face of extreme temperatures and vibrations.

Installation of the OER 748691 temperature sending unit is straightforward, thanks to its easy-to-follow instructions and straightforward design. By replacing your worn-out or damaged temperature sending unit with this high-quality replacement, you can restore the functionality of your temperature gauge, providing you with vital information about your engine's operating temperature.

In summary, the OER 748691 1957-78 GM Temperature Sending Unit Single Pin is an essential automotive part for maintaining your vehicle's engine health and performance. Its precision engineering, durability, and easy installation make it an ideal choice for vehicle owners seeking a reliable, high-quality replacement for their original equipment.

Pros and Cons of buying a 1957-78 GM Temperature Sending Unit: A Comprehensive Review

1. Authenticity: This temperature sending unit is an original GM part, ensuring compatibility and reliability with your classic GM vehicle.

2. Wide Compatibility: The unit is designed to fit various GM vehicles from 1957 to 1978, making it a versatile choice for many owners of these classic cars.

3. Durable Construction: The sending unit is built to last, with a sturdy design that can withstand the rigors of regular use in a classic car.

4. Easy Installation: As a single-pin unit, it should be relatively straightforward to install, potentially saving you time and money on labor costs.

1. Potential Fitment Issues: While the unit is designed to fit a wide range of GM vehicles, it's possible that there may be some minor variations that could cause it not to fit perfectly in your specific vehicle.

2. Limited Availability: Due to its age, finding this specific part may be challenging, and prices could be higher than for more modern parts.

3. Limited Gauge Compatibility: Being a single-pin unit, it may not be compatible with all types of gauges, so you'll need to ensure it works with your existing setup or purchase compatible gauges if necessary.

The 1957-78 GM Temperature Sending Unit is a solid choice for those looking for an authentic, durable, and compatible part for their classic GM vehicle. However, potential fitment issues, limited availability, and gauge compatibility concerns should be considered before making a purchase.

If you can find a reliable source and are confident about the fitment, this sending unit could be a great investment for your classic GM vehicle. However, it's recommended to verify the unit's compatibility with your specific vehicle model and gauge setup before purchasing to avoid any potential issues.

Details:

This item has been sanctioned and approved by OER. 1957-78 GM; Temperature Sending Unit; Single Pin; For Factory GM Gauges; Button-Style Terminal: The temperature sending unit screws into the side of cylinder block or on intake manifold and allows gauge to function properly. 1/2 x 14 NPTF.

part #: 748691 prices

• $24.99-$41.40

specifications ocoosys:

• for years: 1957-78
• brand: Oer Authorized
• mpn: 748691
• part type: Sending Unit Pin Gauge

general ocoosys:

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

returns ocoosys:

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

seller ocoosys:

• # reviews: 28256
• rating: 99.3%
• city: Huntington Beach, California

payments ocoosys:

• other
• credit card: Visa
• wallet: Paypal

offer ocoosys:

• started: October 20, 2025
• options: Ship-to-home
• availability: In Stock
• quantity: 10
• sold: 0

shipping ocoosys:

• transit: 3-8 Days
• service: USPS Ground Advantage, UPS Ground, UPS 2nd Day Air, FedEx Ground / FedEx Home Delivery
• cost: $8.25
• carrier: USPS, UPS, FedEx
• class: Standard, Expedited
• type: Calculated

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