TRW 1966EX Exhaust Valve Cat D315 D318

( Brand: Trw ), ( Manufacturer Part Number: 1966EX ), ( Type: Exhaust Valve ), ( Oe/oem Part Number: 4f-212, 4f212 ), ( Material: Steel ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review TRW Caterpillar Cyl Exhaust Valve Cat Usa Made Nors

The TRW 1966EX and Caterpillar D315/D318 exhaust valves are crucial components in the efficient operation of Caterpillar D315 and D318 engines. These exhaust valves are designed to regulate the flow of exhaust gases away from the engine cylinders, allowing for optimal combustion and reduced emissions.

The TRW 1966EX exhaust valve is specifically engineered for Caterpillar D315 engines. It is manufactured using high-quality materials, including steel for durability and resistance to extreme temperatures and pressure. The valve features a robust design with a single spring and retainer that ensures reliable sealing against the exhaust port. The valve seat is made of hardened material to prevent wear and tear, ensuring a long service life.

On the other hand, the Caterpillar D318 exhaust valve, compatible with the TRW 1966EX part number, is engineered for Caterpillar D318 engines. It shares many similarities with the D315 valve but is tailored to the specific requirements of the D318 engine. The valve is also manufactured using high-quality materials for durability and resistance to extreme conditions. It features a similar robust design with a single spring and retainer, ensuring reliable sealing against the exhaust port. The valve seat is also made of hardened material to prevent wear and tear.

Both the TRW 1966EX exhaust valve for Caterpillar D315 engines and the Caterpillar D318 exhaust valve are essential components in maintaining the performance and efficiency of the respective engines. By regulating the flow of exhaust gases, these valves help ensure optimal combustion, reduce emissions, and extend the overall life of the engine.

It's important to note that these exhaust valves are heavy-duty components and require professional installation. Improper installation or use of incorrect parts can lead to significant damage to the engine or even personal injury. Always consult with a qualified technician or Caterpillar dealer for installation and maintenance of these or any other engine components.

Exhaust Valve Comparison: Caterpillar D315 vs. D318

When it comes to purchasing an exhaust valve for your Caterpillar D315 or D318 engine, there are several factors to consider. In this comparison, we will discuss the key differences, pros, and cons of each option, helping you make an informed decision.

1. Designed specifically for the Caterpillar D315 engine, ensuring a perfect fit and optimal performance.

2. Known for its durability, providing longer service life and reducing the frequency of replacements.

3. Suitable for both diesel and natural gas applications.

1. Limited availability in the aftermarket, which may result in higher prices or longer lead times.

2. Replacement may require specialized tools or expertise due to its unique design.

1. Direct replacement for the Caterpillar D318 engine, ensuring a perfect fit and compatibility.

2. Widely available in the aftermarket, providing more options for purchasing and competitive pricing.

3. Interchangeable with other Cat engines, offering flexibility in future engine upgrades.

1. May not provide the same level of performance or efficiency as the OEM D315 exhaust valve due to differences in engine design.

2. Potential for slightly lower durability compared to the OEM D315 exhaust valve.

Both the Caterpillar D315 and D318 exhaust valves offer unique advantages, with the D315 providing optimal performance and durability for the D315 engine, while the D318 offers wider availability and flexibility for the D318 engine. Ultimately, the choice depends on your engine model, budget, and availability requirements.

If you own a Caterpillar D315 engine and prioritize optimal performance and durability, the OEM D315 exhaust valve is the recommended choice. However, if you own a Caterpillar D318 engine or require a more widely available and cost-effective option, the aftermarket D318 exhaust valve is a suitable alternative.

Details:

CAT D315 4 cyl exhaust valve D318 6 exhaust valve, Quantity 1 one Caterpillar, D4 after serial 6U1, 44 Gauge, 7U1, 60 No.

part #: 1966ex prices

• $26.76-$60.00

specifications voomvalve:

• for makes: Caterpillar
• brand: Trw
• mpn: 1966ex
• type: Exhaust Valve
• oe/oem part number: 4f-212, 4f212
• material: Steel
• vintage part: Yes
• country of origin: United States

seller voomvalve:

• rating: 100.0%
• # reviews: 16796
• city: Vinton, Virginia

payments voomvalve:

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

general voomvalve:

• Engines Engine Parts > Valvetrain Components > Valves
• condition: New

shipping voomvalve:

• service: Expedited
• cost: $0.00
• class: Expedited
• transit: 4-9 Days
• type: Fixed

returns voomvalve:

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

offer voomvalve:

• availability: In Stock
• options: Ship-to-home
• quantity: 4
• started: May 25, 2026
• sold: 0

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