1. Engine Oil Coolers & Lines On Sale
  2. sku: 13487206591407762
  3. AM 5578601

AM GENERAL 5578601 Hmmwv Oil Cooler M1097

fits model: A1.

5578601 Am General Hmmwv M1097 A1 Oil Cooler

( Brand: Am General ), ( Mounting Style: Bolt-on ), ( Oe Spec Or Performance/custom: Oe Spec ), ( Items Included: Mounting Hardware ), ( Fitment Type: Direct Replacement ), ( Material: Aluminum ), ( Vintage Part: No ), ( Placement On Vehicle: Front ), ( Type: Oil Cooler ), ( Ipn: 5578601 ), ( Manufacturer Warranty: 30 Days ), ( Oe/oem Part Number: 12340185 ), ( Item Height: 4 In ), ( Features: Durability Tested ), ( Country Of Origin: United States )

Review AM GENERAL Hmmwv Oil Cooler fits A1

The M1097 A1 Oil Cooler, part number 5578601, is a critical component of the Heavy Expanded Mobility Tactical Truck System (HEMTT) and its variants, including the M1025, M1026, and M1031 HMMWVs (High Mobility Multipurpose Wheeled Vehicles). This oil cooler plays a crucial role in maintaining the engine's operating temperature, ensuring optimal performance and longevity.

The M1097 A1 Oil Cooler is a serpentine-style, air-to-oil type cooler. It measures approximately 24 inches long, 12 inches wide, and 8 inches high, with a total weight of around 18 pounds. It features a robust, cast aluminum construction that is designed to withstand the rigors of military use.

The cooler utilizes a large surface area of aluminum fins to facilitate efficient heat transfer from the engine oil to the ambient air. The fins are arranged in a series of parallel, serpentine passages that allow for continuous oil flow through the cooler. This design ensures consistent cooling for the engine, even when operating under heavy loads or extreme temperatures.

The M1097 A1 Oil Cooler is equipped with a pressure relief valve, which is designed to prevent damage to the cooler or engine due to excessive pressure build-up. The valve is adjustable, allowing for fine-tuning to meet specific operating conditions.

The cooler is also fitted with an electric fan, which is activated when the engine temperature reaches a predetermined threshold. The fan ensures that the cooler continues to function effectively, even when the vehicle is stationary or operating at low speeds.

Installation of the M1097 A1 Oil Cooler is straightforward, with clear mounting points and simple hose connections. The cooler is supplied complete with all necessary hardware, including mounting brackets, hoses, and clamps, making it an easy upgrade for any HEMTT or HMMWV.

The M1097 A1 Oil Cooler is a high-performance component, designed to meet the demanding requirements of military applications. It is built to last, with a durable, military-grade construction that can withstand the harshest environments. With its efficient cooling capabilities and robust design, the M1097 A1 Oil Cooler is an essential addition to any HEMTT or HMMWV fleet.

The HMMWV M1097 A1 Oil Cooler is a critical component of the High Mobility Multipurpose Wheeled Vehicle (HMMWV), also known as the Humvee. The oil cooler helps maintain the engine temperature within an optimal range, ensuring the engine's longevity and efficient performance. Here are some pros and cons of buying a new HMMWV M1097 A1 Oil Cooler.

Pros:

1. Improved engine performance: A new oil cooler ensures that the engine runs at an optimal temperature, which can lead to improved engine performance and longevity.

2. Enhanced safety: A faulty oil cooler can lead to engine overheating, which can cause significant damage to the vehicle and even pose a safety hazard. A new oil cooler can help prevent such issues.

3. Compatibility: The HMMWV M1097 A1 Oil Cooler is specifically designed for the HMMWV, ensuring a perfect fit and compatibility with the vehicle's engine.

4. Reliability: A new oil cooler is more reliable than a used or rebuilt one, reducing the risk of unexpected failures and downtime.

Cons:

1. Cost: A new HMMWV M1097 A1 Oil Cooler can be quite expensive, especially for those operating on a tight budget.

2. Availability: Depending on the source, availability of a new oil cooler may be limited, which could lead to longer wait times for replacement.

3. Installation: Installing a new oil cooler can be a complex process that requires specialized tools and knowledge. It may be necessary to seek the assistance of a professional mechanic or dealership.

In conclusion, while the cost of a new HMMWV M1097 A1 Oil Cooler may be a significant investment, the benefits it offers in terms of improved engine performance, enhanced safety, compatibility, and reliability make it a worthwhile investment for those who rely on their HMMWV for mission-critical operations or heavy use. For those on a tighter budget, exploring options for used or rebuilt oil coolers may be worth considering, but it is essential to ensure that the quality and reliability of any used or rebuilt part meet acceptable standards. Ultimately, the decision to invest in a new oil cooler depends on the specific requirements and constraints of the user.

part # 5578601 prices

  • $120.00-$230.47

specifications motochilled:

  • for models: A1
  • brand: Am General
  • mounting style: Bolt-on
  • oe spec or performance/custom: Oe Spec
  • items included: Mounting Hardware
  • fitment type: Direct Replacement
  • material: Aluminum
  • vintage part: No
  • placement on vehicle: Front
  • type: Oil Cooler
  • interchange part number: 5578601
  • manufacturer warranty: 30 Days
  • oe/oem part number: 12340185
  • item height: 4 In
  • features: Durability Tested
  • country of origin: United States

offer motochilled:

  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: June 19, 2026

payments motochilled:

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

general motochilled:

  • Car Truck Parts Accessories > Engine Cooling Components > Engine Oil Coolers Lines
  • condition: Used

seller motochilled:

  • rating: 100.0%
  • # reviews: 19

returns motochilled:

  • policy: No Returns

shipping motochilled:

  • type: Fixed
  • cost: $110.00
  • service: USPS Ground Advantage
  • class: Standard
  • transit: 6-13 Days
  • carrier: USPS
for models: a1, mounting style: bolt-on, oe spec or performance/custom: oe spec, items included: mounting hardware, fitment type: direct replacement, vintage part: no, placement on vehicle: front, type: oil cooler, manufacturer warranty: 30 days, oe/oem part number: 12340185, item height: 4 in, features: durability tested, country of origin: united states,
category: auto parts > car truck parts accessories > engine cooling components > engine oil coolers lines, material: aluminum, sku: 13487206591407762,

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