MACK 21357013 Rocker Arm

( Manufacturer Part Number: 21357013 ), ( Part Type: Arm )

Review MACK Rocker Arm

The Mack 21357013 rocker arm is a critical component of heavy-duty diesel engines, designed for superior performance and durability. This rocker arm is engineered to provide precise valve control, ensuring optimal engine efficiency and power output.

The Mack 21357013 rocker arm is manufactured using high-strength materials, such as forged steel, ensuring it can withstand the rigors of heavy-duty use. Its robust design allows it to effectively transfer the force of the engine's pistons to the valves, enabling them to open and close as required.

Each rocker arm features five bearing surfaces, ensuring smooth operation and minimizing wear and tear. The bearings are precision-machined to provide a perfect fit, reducing friction and optimizing energy transfer. The Mack 21357013 rocker arm also includes a self-lubricating, carbon-impregnated material on its cam follower surface, further reducing wear and ensuring long-lasting performance.

The Mack 21357013 rocker arm is designed to be easily installed and replaced, with clearance provided for maintenance and adjustments. Its precise dimensions and manufacturing tolerances make it a perfect fit for Mack engines, and its high-quality construction ensures it will continue to perform reliably even under the most demanding conditions.

In summary, the Mack 21357013 rocker arm is a critical component of heavy-duty diesel engines, engineered for superior performance and durability. Its robust design, precision manufacturing, and easy installation make it an essential part of any engine system.

Pros and Cons of Buying a Mack 21357013 Rocker Arm

The Mack 21357013 rocker arm is a crucial component of heavy-duty engines, and like any other automotive part, it comes with its advantages and disadvantages. Let's take a closer look at both sides to help you make an informed decision.

1. High Quality: The Mack 21357013 rocker arm is manufactured by Mack Trucks, a well-known brand in the heavy-duty vehicle industry. This part is engineered to meet high-performance standards and can withstand the rigors of heavy-duty applications.

2. Durability: This rocker arm is designed to last longer than OEM alternatives due to its robust construction and use of high-quality materials. Its durability makes it an excellent investment for those who require a long-term solution for their engine component needs.

3. Improved Performance: The Mack 21357013 rocker arm can potentially enhance engine performance by reducing friction and providing smoother operation. This can lead to better fuel efficiency and increased power output.

1. Cost: This aftermarket rocker arm may be more expensive than its OEM counterpart. However, its durability and potential performance benefits may offset the initial cost in the long run.

2. Installation Complexity: Depending on your mechanical expertise, installing this aftermarket rocker arm may require professional assistance. This could add to the overall cost and time investment.

3. Compatibility: Ensure this particular rocker arm model is compatible with your specific engine application before making a purchase. A mismatch could lead to poor performance or even engine damage.

The Mack 21357013 rocker arm presents a compelling case for those seeking a high-quality, long-lasting solution for their heavy-duty engine component needs. Its potential performance benefits and durability can justify the initial investment, but it's essential to consider the potential costs, such as installation and compatibility, before making a purchase.

If you are comfortable with the potential costs and confident in your ability to ensure compatibility with your engine application, the Mack 21357013 rocker arm could be an excellent investment for your heavy-duty vehicle. Alternatively, you may want to consult with a professional mechanic to determine if this aftermarket part is the best fit for your needs.

Details:

Designed specifically for trucks, trailers, and buses. Manufactured following strict OE standards to work like the original component. Engineered using the latest technology to ensure product lasts longer in service. Fits Mack 21357013 Rocker Arm: Part Number: Manufacturer.

Made of high-quality components for durability, reliability, and performance. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle.

part #: 21357013 price

• $434.80

specifications rockeareng:

• for makes: Mack
• mpn: 21357013
• part type: Arm

seller rockeareng:

• city: Los Angeles, California
• # reviews: 51060
• rating: 97.0%

general rockeareng:

• condition: New
• Engines Engine Parts > Valvetrain Components > Rocker Arms Parts

payments rockeareng:

• credit card: Discover
• wallet: Paypal
• other

shipping rockeareng:

• transit: 3-7 Days
• service: Standard
• cost: $0.00
• class: Standard
• type: Fixed

offer rockeareng:

• sold: 0
• started: June 9, 2025
• best offers: True
• options: Ship-to-home
• availability: In Stock
• quantity: 4

returns rockeareng:

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

Mack 21357013 Is Similar To:

• Mack 335p2 E7 Engine Rocker Arm P n (62.5% similar) We'll do our best to find it so you don't have. If you can't find what you re looking for let us do it. Mack e7 rocker arm: assembly, cast# 335P2, for non Jake brake engines oem# 335P2. Questions, comments or concerns. Items shipped ups ground cannot go to APO/FPO or post office boxes...(January 9th, 2024)
• Mack 21822467 Mp7 Engine Rocker Arm Used P n (56% similar) Product info: used mack MP7 engine rocker arm for sale. Mack MP7 rocker p/n 21822467. We'll do our best to find it so you don't have. If you can't find what you re looking for let us do it. Questions, comments or concerns. Items shipped ups ground cannot go to APO/FPO or post office boxes...(April 27th, 2024)
• Mack 20885082 Mp7 Engine Rocker Arm Used P n (53.3% similar) Questions, comments or concerns. If you can't find what you re looking for let us do it. Mack MP7 engine rocker p/n. Product info: used mack MP7 engine rocker arm p/n 20885082 for sale. Items shipped ups ground cannot go to APO/FPO or post office boxes. We'll do our best to find it so you don't have...(May 4th, 2024)
• Mack 980176 Package Of 5 Trucks Rocker Shaft End Plug 28mm (41.4% similar) Package of 5 mack trucks 980176 rocker shaft end plug 28MM...(August 4th, 2024)
• Mack 20944596 Mp7 Engine Rocker Arm Used P n (53.3% similar) If you can't find what you re looking for let us do it. Mack MP7 rocker arm p/n 20944596. Cast#: 20944596 free shipping. Product info: used mack MP7 engine rocker arm for sale. Items shipped ups ground cannot go to APO/FPO or post office boxes. Questions, comments or concerns. We'll do our best to ...(September 6th, 2024)
• Pai 8349oem Engine Rocker Arm Adjusting Screw Mack E7 e Tech aset Engines For (24.5% similar) 8349OEM engine rocker arm adjusting screw mack E7/E tech/asset engines for pair: part number: manufacturer: pair. Manufactured following strict OE standards to work like the original component. Made of high-quality components for durability, reliability, and performance. Engineered using the latest...(September 14th, 2024)
• Volvo 21881529 Oem Mack Truck Valve Rocker Arm For Fm4 Fm11 D11 (37% similar) Part #: Volvo 21881529 for sale...(September 22nd, 2024)
• Mack 485m E7 Engine Rocker Arm Used P n (54.3% similar) Items shipped ups ground cannot go to APO/FPO or post office boxes. Product info: used mack e7 engine rocker arm for sale. We'll do our best to find it so you don't have. Questions, comments or concerns. Cast#: 485M free shipping. Mack e7 rocker arm assembly, cast# 485M. If you can't find what you ...(October 1st, 2024)
• Mack 21539409 Genuine Volvo Oem Engine Rocker Arm Brand New In Box (46.3% similar) It is a must-have for any car or truck owner looking to maintain the performance and reliability of their vehicle. The rocker arm is made with high-quality materials to ensure durability and longevity, making it the perfect replacement part for your vehicle. With its OE/oem part number 21539409, you...(December 24th, 2024)
• Mack 20706560 12 142gc242m Flange Nut Rocker Arm Shaft M12x1.25 E7 etec aset Jam (42.2% similar) 12 PCs mack 20706560 142GC242M flange nut rocker arm shaft M12X1.25 E7/ETEC/ASET jam...(January 8th, 2025)
• Mack 21881494 Mp7 Engine Rocker Arm P n (61.8% similar) If you can't find what you re looking for let us do it. Items shipped ups ground cannot go to APO/FPO or post office boxes. We'll do our best to find it so you don't have. Mack MP7 rocker arm: MP7 engine p/n 21881494 oem#. Cast#: 21881494...(February 4th, 2025)