MOTORCRAFT KM-4822 Radiator Coolant Hose Nos 4R3Z-8286-BA

( Brand: Motorcraft ), ( Manufacturer Part Number: KM-4822 ), ( Part Type: Radiator Hose )

Review MOTORCRAFT New Oem Km4822 Radiator Coolant Hose Nos

The **MotorCraft KM-4822 4R3Z-8286-BA (KM4822) Radiator Coolant Hose** is a high-performance, direct-fit replacement part designed specifically for Ford vehicles equipped with the 4R3Z automatic transmission, ensuring optimal cooling system efficiency and longevity. Engineered to meet or exceed OEM specifications, this hose is crafted from durable, heat-resistant rubber compound reinforced with high-quality synthetic fibers, providing exceptional resistance to oil, coolant, and environmental degradation. The KM-4822 is meticulously molded to match the precise dimensions and contours of the original equipment manufacturer (OEM) part, guaranteeing a secure, leak-free connection at both the radiator and transmission cooler ends. Its robust construction minimizes the risk of cracking, swelling, or premature failure, even under the demanding conditions of high-performance driving or extended use in extreme temperatures. Ideal for applications in Ford vehicles such as the F-150, Expedition, E-350, and other models featuring the 4R3Z transmission, this hose plays a critical role in maintaining proper coolant flow, preventing overheating, and safeguarding the transmission and engine from thermal stress. Whether used in routine maintenance or as a direct replacement for a worn or damaged original component, the MotorCraft KM-4822 ensures reliable performance and peace of mind, reinforcing the reputation of MotorCraft as a trusted provider of genuine, high-quality automotive parts.

**Pros and Cons of buying a Motorcraft KM-4822 4R3Z-8286-BA (KM4822) Radiator Coolant Hose**

1. **OEM Quality** This part is manufactured by Motorcraft, Ford s original equipment (OEM) brand, ensuring it meets the same high standards as the parts installed in new vehicles. This reduces the risk of compatibility issues or premature failure.

2. **Reliability and Durability** OEM parts are designed to last the lifespan of the vehicle under normal conditions. The KM-4822 is built to withstand heat, pressure, and engine stress, which can be critical for maintaining proper cooling system performance.

3. **Exact Fitment** Since this is a direct replacement for the 4R3Z-8286-BA (commonly found in Ford 4R30/4R50 automatic transmissions), it is guaranteed to fit without modifications. This eliminates the guesswork that comes with aftermarket parts that may require additional clamps or adapters.

4. **Compatibility with Ford Systems** The hose is designed to work seamlessly with Ford s cooling and transmission fluid systems, reducing the risk of leaks or improper sealing. This is particularly important for vehicles where the radiator and transmission cooler share a common circuit.

5. **Warranty Coverage** Purchasing from an authorized dealer or Ford-approved supplier often includes a warranty, providing peace of mind against defects. Aftermarket parts may not offer the same level of protection.

6. **Prevents Coolant Contamination** A failing coolant hose can lead to coolant mixing with transmission fluid, which can damage the transmission and cooling system. Replacing it proactively avoids costly repairs down the line.

7. **Easy Installation** The KM-4822 is a straightforward replacement part, requiring minimal tools and expertise. Most mechanics or even experienced DIYers can install it without issues.

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1. **Higher Cost** OEM parts are typically more expensive than aftermarket alternatives. The KM-4822 may cost significantly more than generic or third-party hoses, which could be a deterrent for budget-conscious buyers.

2. **Limited Availability Outside Dealerships** While widely available through Ford dealerships and online marketplaces, it may not be as easily accessible through general auto parts stores compared to more common aftermarket brands.

3. **Potential Overkill for Some Applications** If the hose is only failing due to age or minor wear (rather than a manufacturing defect), an OEM replacement might be more expensive than necessary. In such cases, a high-quality aftermarket hose could suffice.

4. **Mixed Reviews on Longevity in Some Cases** While generally reliable, some owners report that OEM hoses may still degrade over time, especially in vehicles with extreme driving conditions (e.g., heavy towing, frequent overheating, or aggressive driving). Regular maintenance (e.g., checking for cracks or brittleness) is still recommended.

5. **No Additional Features** Unlike some aftermarket hoses, the KM-4822 does not include extra features like reinforced clamps, temperature-resistant coatings, or extended warranties. If these are priorities, an aftermarket option might be preferable.

6. **Dependency on Ford s Supply Chain** If purchasing from a dealership, availability could be affected by regional stock shortages or supply chain disruptions, potentially delaying repairs.

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The **Motorcraft KM-4822 4R3Z-8286-BA radiator coolant hose** is an excellent choice for those prioritizing **reliability, exact fitment, and long-term performance**. Its OEM status ensures compatibility and durability, making it ideal for Ford owners who want to avoid potential issues with aftermarket parts. However, the higher cost and limited availability outside dealerships may be drawbacks for some buyers.

For most **Ford 4R30/4R50 transmission owners**, the benefits of using an OEM part outweigh the drawbacks, especially if the vehicle is under warranty or if the owner values peace of mind. If budget is a concern, a **high-quality aftermarket hose** (e.g., from brands like Genuine Parts Company, ACDelco, or Motul) could be a cost-effective alternative, provided it meets the same specifications.

- You want the most reliable, long-lasting solution with guaranteed fitment.

- Your vehicle is still under warranty, and you prefer OEM parts to avoid voiding coverage (though this part is typically not covered under powertrain warranties).

- You prioritize ease of installation and compatibility with Ford s cooling system.

- You re willing to pay the premium for a part that matches the quality of your vehicle s original components.

- You re on a tight budget and can verify the aftermarket hose meets the same material and size specifications.

- You re comfortable with DIY repairs and can research the aftermarket brand s reputation for quality.

- The hose failure is isolated to one component, and you re confident in the aftermarket part s durability.

Ultimately, the KM-4822 is the **best choice for most Ford owners** who want to ensure their transmission and cooling systems remain in optimal condition. However, always inspect the hose during routine maintenance to catch any signs of wear before a failure occurs.

Details:

New OEM Motorcraft KM-4822, 4R3Z-8286-BA, KM4822 Radiator Coolant Hose NOS. Items are shipped using USPS, UPS, and FedEx. All parts are in stock and ready to ship. Shows signs of shelf wear.

Radiator Coolant Hose is new and in good condition, not original packaging. If the original package is included it may show signs of wear. Pictures: Thumbnails.

part #: km4822 prices

• $19.99-$22.51

specifications automobilefluids:

• brand: Motorcraft
• mpn: Km-4822
• part type: Radiator Hose

seller automobilefluids:

• rating: 99.9%
• city: Ashaway, Rhode Island
• # reviews: 126561

offer automobilefluids:

• sold: 0
• availability: In Stock
• started: February 7, 2026
• options: Ship-to-home
• best offers: True
• quantity: 2

general automobilefluids:

• condition: New other see details
• Automotive Tools Supplies > Fluids Chemicals > Radiator Additives Sealants

returns automobilefluids:

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

payments automobilefluids:

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

shipping automobilefluids:

• carrier: USPS, UPS
• class: Standard, Expedited, One-day
• type: Calculated
• cost: $0.00
• service: USPS Ground Advantage, USPS Priority Mail Flat Rate Envelope, UPS Next Day Air, UPS 2nd Day Air
• transit: 4-10 Days

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