fits model: A12, A13. make: Datsun. year: 1973–1982.

( Brand: Trw ), ( Manufacturer Part Number: 44103K-4 ), ( Part Type: Intake Engine Arm )
The TRW 44103K-4 Intake Engine Rocker Arms are a crucial component of the engine's valvetrain system for select Datsun models produced between 1973 and 1982. These rocker arms are engineered to fit specific engines, including the Datsun A12, A13, A14, and A15.
Each rocker arm includes a robust and durable design with a compact and efficient construction. The arms are precision-crafted from high-strength materials, ensuring they can withstand the rigors of engine operation and deliver reliable performance over time. The hardened steel heads contact the engine valves directly, transferring the force from the camshaft to open and close the valves in a smooth and controlled manner.
The TRW 44103K-4 Intake Engine Rocker Arms feature a precise dimensional fit and optimum geometry, guaranteeing improved engine efficiency and power output. Their glass-filled Colombian Nylon bushings provide reliable damping and minimize wear on the engine components, extending the overall service life of the engine.
Installing these genuine TRW rocker arms ensures proper valve operation and improved engine performance. They are essential for restoring original functionality or upgrading the engine in classic Datsun vehicles, maintaining their legacy and sustaining their reliable driving characteristics.
TRW's commitment to quality and engineering excellence is reflected in the design and production of these Intake Engine Rocker Arms. These components offer superior performance and durability compared to aftermarket alternatives, ensuring your vehicle retains its authenticity and driving excellence.
In case of wear or damage to your existing rocker arms, upgrading with TRW 44103K-4 Intake Engine Rocker Arms is an investment in the continued success of your Datsun engine. Restoring or enhancing your classic vehicle with original equipment parts, maintains its value, and ensures the long-term reliability and performance you've come to expect from the Datsun brand.
a. Genuine OEM Replacement: The TRW 44103K-4 rocker arms are original equipment manufactured (OEM) parts that are designed to fit and function exactly like the originals.
b. High-quality Material: These rocker arms are made of high-quality materials (as per OEM standards) ensuring durability with proper care and maintenance.
c. Wide Compatibility: TRW 44103K-4 engine rocker arms can be used for Datsun A12, A13, A14, and A15 engines making them a versatile and handy replacement option.
d. Reduced Engine Vibration: By replacing worn-out or malfunctioning rocker arms, you can minimize engine vibration and improve smooth engine operation.
e. Fitment and Comfort: TRW 44103K-4 rocker arms provide a proper fit and provide good clearance to other engine components ensuring adequate room for other services and daily engine operation.
2. Cons:a. Cost: These engine rocker arms can be more expensive compared to aftermarket or used options, but they are the OEM genuine parts which typically guarantee a fine fit and longer durability.
b. Slightly longer wait for shipping: Since genuine parts like these are typically sourced directly from the manufacturer or its authorized distributors, it may take a little longer for them to be delivered compared to aftermarket options which can be sourced locally.
3. Conclusion:While purchasing TRW 44103K-4 engine rocker arms for your 1973-1982 Datsun A12, A13, A14, or A15 engine may come with a slightly higher cost and a slight delay in shipping, the benefits of having original parts that fit properly and provide long-term durability, as well as improved smoothness and reduced engine vibration, can be well worth the investment.
4. Recommendation:Should you be in the market for new engine rocker arms for your Datsun vehicle, it's recommended that you consider the TRW 44103K-4 engine rocker arms as a solid investment towards improved engine performance and longevity. This part may come with a superior quality and guarantee, but its advantages often outweigh the higher cost and slight delay in shipping.
None of which makes the part Defective. They may have been in storage anywhere from 1-30 years. There may be minor corrosion, scuffs, torn or missing boxes, scratches from storage, etc. Rubber parts, gaskets, hardware may need to be replaced and not usable.
If any manufacturer warranty exists, it is between you and them. ONCE Purchased YOU OWN IT. Application Guide: MELLING MR-201, NAPA 214-2096, NISSAN 13258-18003, McKay-Norris RM117, BECK/ARNLEY 023-1835, DANA 214-2096. TRW part number 44103K-4.
Be sure the part you are buying is correct for your application. Sometimes the fitment is so old that it does not take into account trim, engine size or build dates. Shipping:: Free Shipping is for continental USA only.