MACK 21430048 Expansion Tank

( Manufacturer Part Number: 21430048 ), ( Part Type: Tank )

Review MACK Fits Expansion Tank

The Mack MCS/LRS Expansion Tank, model number 21430048, is a critical component of Mack's Heavy Duty Engine Cooling System. This expansion tank is specifically designed to accommodate the thermal expansion that occurs in the coolant system during engine operation. Its robust construction ensures reliable performance even under the most demanding conditions.

The expansion tank is made from high-quality materials, including a durable polypropylene body and a chrome-plated brass top. The polypropylene material is resistant to corrosion and cracking, making it an ideal choice for the harsh operating environments typical of heavy-duty applications. The chrome-plated brass top provides a secure mounting point and enhances the tank's overall appearance.

The expansion tank features a capacity of 10.1 quarts (9.5 liters) and comes equipped with a sight glass, allowing the driver to easily monitor coolant level. The sight glass provides a clear view of the coolant level, enabling timely maintenance and preventing potential overheating issues.

This Mack expansion tank is designed to meet or exceed the requirements of Mack's engine cooling systems. It is engineered to provide excellent thermal insulation, helping to maintain optimal coolant temperature and ensuring efficient engine performance. The tank's design also includes an integral pressure relief valve, which automatically releases excess pressure if needed to protect the engine and cooling system from damage.

The Mack MCS/LRS Expansion Tank's secure mounting design ensures a stable installation, reducing the potential for leaks and other issues. The tank's dimensions are 10.5 inches (26.67 cm) in height, 12.75 inches (32.39 cm) in width, and 10 inches (25.4 cm) in depth. The tank is compatible with Mack heavy-duty engines, including the Mack MP series and Mack MX engines.

In summary, the Mack MCS/LRS Expansion Tank, model number 21430048, is a high-quality, durable, and reliable component of Mack's Heavy Duty Engine Cooling System. Its robust design, easy-to-read sight glass, and secure mounting ensure excellent performance and prolonged service life.

The Mack expansion tank, model number 21430048, is a crucial component of a heavy-duty cooling system. This part ensures the proper functioning of the cooling system by maintaining the necessary pressure. Here are some pros and cons of buying this expansion tank:

1. Designed for Mack trucks: This expansion tank is specifically engineered for Mack vehicles, ensuring a perfect fit and compatibility with the cooling system.

2. Durable: The tank is made from high-quality materials, such as heavy-duty rubber and steel, making it resilient against the harsh operating conditions of heavy-duty trucks.

3. Leak-free: Mack's expansion tank features a leak-resistant design, reducing the likelihood of coolant leaks and minimizing the need for frequent maintenance.

4. Easy installation: The tank comes with clear installation instructions and is relatively easy to install, even for those without extensive mechanical experience.

5. OEM quality: By purchasing an OEM (Original Equipment Manufacturer) part like this expansion tank, you can ensure that you are getting a genuine Mack component, which may provide better performance and longevity compared to aftermarket alternatives.

1. Cost: Mack expansion tanks, like this 21430048 model, can be more expensive than aftermarket alternatives. However, the higher cost may be justified due to the part's OEM quality and durability.

2. Limited availability: Since this expansion tank is specifically designed for Mack trucks, it might not be as widely available as aftermarket alternatives from other manufacturers. You may need to check with Mack dealerships or authorized repair shops to find and purchase this part.

3. No visible pressure gauge: Unlike some aftermarket expansion tanks, the Mack 21430048 model does not come with a built-in pressure gauge. This could make it more difficult to monitor the cooling system's pressure without additional tools or sensors.

The Mack 21430048 expansion tank is an essential component for maintaining the cooling system of Mack heavy-duty trucks. Its advantages, such as OEM quality, durability, and leak-resistant design, make it a valuable investment for Mack vehicle owners. However, potential disadvantages, like the cost and limited availability, should be considered before making a purchase. Ultimately, the decision to buy this expansion tank depends on your specific needs, budget, and the importance of having a genuine OEM part for your Mack vehicle.

If you own a Mack truck and require a new expansion tank, the Mack 21430048 model is a solid choice due to its OEM quality, durability, and leak-resistant design. While it may be more expensive and less widely available than aftermarket alternatives, the investment in a genuine Mack part could provide better performance and longevity for your cooling system. Make sure to consult your Mack dealership or authorized repair shop for availability and to ensure a proper fit for your vehicle.

Details:

Fits Mack 21430048 Expansion Tank: Part Number: Manufacturer. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Made of high-quality components for durability, reliability, and performance. 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.

part #: 21430048 price

• $1210.34

specifications airfueldepo:

• for makes: Mack
• mpn: 21430048
• part type: Tank

general airfueldepo:

• Car Truck Parts Accessories > Air Fuel Delivery > Other Air Fuel Delivery
• condition: New

offer airfueldepo:

• sold: 0
• started: August 7, 2025
• availability: In Stock
• best offers: True
• options: Ship-to-home
• quantity: 3

payments airfueldepo:

• credit card: Discover
• wallet: Paypal
• other

returns airfueldepo:

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

seller airfueldepo:

• city: Los Angeles, California
• # reviews: 51662
• rating: 97.0%

shipping airfueldepo:

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

Mack 21430048 Is Similar To:

• Mack 21357470 Fuel Tank Breather Filter (44.4% similar) Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Engineered using the latest technology to ensure product lasts longer in service. Manufactured following strict OE standards to work like the original component. Made of high...(April 15th, 2025)
• Mack 20461976 Fits Adapter (50.8% similar) Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Made of high-quality components for durability, reliability, and performance. Engineered using the latest technology to ensure product lasts longer in service. Designed specifically for trucks...(June 9th, 2025)
• Mack 4103-5005030837 Fits Connector (55.9% similar) Manufactured following strict OE standards to work like the original component. Designed specifically for trucks, trailers, and buses. Fits mack 837 connector: part number: manufacturer. Made of high-quality components for durability, reliability, and performance...(June 10th, 2025)
• Mack 20940569 Fits Duct (50% similar) Designed specifically for trucks, trailers, and buses. Made of high-quality components for durability, reliability, and performance. Manufactured following strict OE standards to work like the original component. Engineered with a factory-like design for effortless installation...(June 11th, 2025)
• Mack 25108237 Fits Fuel Tank Sender Retainer (51.9% similar) Manufactured following strict OE standards to work like the original component. Designed specifically for trucks, trailers, and buses. Engineered using the latest technology to ensure product lasts longer in service. Fits mack 25108237 fuel tank sender retainer...(June 13th, 2025)
• Pai 803909 Fuel Tank Strap Right And Left Hand Bright Finish Mack Cv gu Mo For (18% similar) Designed specifically for trucks, trailers, and buses. Engineered using the latest technology to ensure product lasts longer in service. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. 803909 fuel tank strap right and left hand...(July 6th, 2025)
• Mack 63ax51089r Fits Connector (54% similar) Designed specifically for trucks, trailers, and buses. Engineered using the latest technology to ensure product lasts longer in service. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Fits mack 63AX51089R connector: part number...(July 8th, 2025)
• Mack 8mb279p7 Fits Strap (45.6% similar) Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Engineered using the latest technology to ensure product lasts longer in service. Fits mack 8MB279P7 strap: part number: manufacturer. Designed specifically for trucks, trailers...(July 10th, 2025)
• Mack 25177273 Fits Connector (55.7% similar) Engineered using the latest technology to ensure product lasts longer in service. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Made of high-quality components for durability, reliability, and performance. Manufactured...(July 11th, 2025)
• Mack 5mb3702a Fits Cv Bracket Fuel Tank (52.8% similar) Fits mack 5MB3702A CV bracket fuel tank: 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. Manufactured...(August 9th, 2025)
• Mack 8mb460 Fits Strap (47.3% similar) Engineered using the latest technology to ensure product lasts longer in service. Fits mack 8MB460 strap: part number: manufacturer. Designed specifically for trucks, trailers, and buses. Engineered with a factory-like design for effortless installation, ensuring perfect match your...(August 9th, 2025)