HONDA 15600-MG5-671 Oil Cooler Core

( Manufacturer Part Number: 15600-MG5-671 ), ( Part Type: Oil Cooler ), ( Country Of Origin: Japan )

Review HONDA Mg5 671 Oil Cooler Oem Larger Core Upgrade fits CB1100F CB900F CB900C 1983

The **Honda 15600 MG5 671 1983 CB1100F Oil Cooler Core (also compatible with CB900F and CB900C models)** is a meticulously crafted, high-performance replacement part designed to restore optimal cooling efficiency to your classic Honda air-cooled big-bore engine. Engineered to match the exact specifications of the original equipment, this oil cooler core is constructed from durable, high-grade aluminum alloy, ensuring superior heat dissipation while maintaining structural integrity under demanding riding conditions. The core features a precision-engineered honeycomb design with finely spaced passages, maximizing surface area for efficient oil-to-air heat exchange, which is critical for preventing overheating in high-performance or heavily loaded applications. Whether you're running stock power, aftermarket modifications, or a tuned engine, this oil cooler core provides reliable thermal management, helping to extend the lifespan of your engine s lubrication system by keeping oil temperatures within optimal operating ranges. Compatible with the legendary **1983 CB1100F** as well as the slightly earlier **CB900F and CB900C**, this part is a direct drop-in replacement, requiring no modifications to the surrounding components, making installation straightforward for both seasoned mechanics and DIY enthusiasts. Built to withstand the rigors of long-distance touring, track use, or daily commuting, this core is a testament to Honda s engineering legacy, offering a seamless blend of performance and durability. Upgrade your bike s cooling system with this premium-quality component and experience the confidence of knowing your engine is protected by a solution as robust as it is precise.

### Pros and Cons of Buying a 1983 Honda CB1100F/CB900F/CB900C Oil Cooler Core (MG5 671, 15600)

1. **Rarity and Collectibility** The oil cooler core from the 1983 Honda CB1100F, CB900F, or CB900C is a rare part, especially since these models were produced in limited quantities. If you own or restore one of these bikes, finding an exact replacement can be difficult, making this a valuable component.

2. **Compatibility** The MG5 671 oil cooler core is designed specifically for these models, ensuring a perfect fit without modifications. It is interchangeable between the CB1100F, CB900F, and CB900C due to their shared mechanical components in this area.

3. **Performance Benefits** The oil cooler helps maintain optimal oil temperature, which is crucial for engine longevity, especially in high-performance or heavily ridden bikes. A functioning oil cooler prevents overheating and reduces wear on the engine.

4. **Restoration Potential** If you are restoring a classic Honda, this part is essential for completing the build. Many original parts are worn out or missing, and sourcing a genuine replacement ensures authenticity and proper function.

5. **Historical Significance** These bikes are iconic in the classic motorcycle world, and owning or restoring one with original or high-quality aftermarket parts adds to the bike s value and appeal.

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1. **High Cost** Due to rarity, the price of a genuine or high-quality aftermarket oil cooler core for these models can be significantly higher than for more common bikes. This may not be cost-effective for casual riders.

2. **Difficulty in Sourcing** Finding a genuine or compatible oil cooler core can be challenging. Many sellers may not have the exact part, leading to delays or the need for alternative solutions (such as using a part from a different model, which may not fit perfectly).

3. **Age and Wear** If the oil cooler core is from a used bike, it may already be worn out or damaged. Testing its functionality before purchase is difficult, and you may end up needing to replace it again shortly after buying.

4. **Maintenance Requirements** Oil coolers require regular cleaning and inspection to prevent clogging or leaks. If you are not experienced with motorcycle maintenance, this could become a hassle.

5. **Alternative Solutions** For some riders, modifying the bike to remove the oil cooler (if it is not critical for cooling) or using a universal aftermarket part may be a more practical and affordable option. However, this could void warranties or affect performance.

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Buying a 1983 Honda CB1100F/CB900F/CB900C oil cooler core (MG5 671, 15600) is a worthwhile investment if you are restoring or maintaining one of these iconic bikes. The rarity, compatibility, and performance benefits make it a valuable part for enthusiasts. However, the high cost, difficulty in sourcing, and potential maintenance challenges may deter casual riders or those not deeply invested in classic motorcycles.

If you are committed to preserving or restoring a CB1100F, CB900F, or CB900C, prioritize finding a genuine or high-quality aftermarket part to ensure longevity and authenticity. For other riders, consider whether the expense is justified by your level of engagement with the bike.

- **For Restorers/Enthusiasts:** Proceed with purchasing the oil cooler core if it is a critical part of your restoration project. Verify the seller s authenticity and inspect the part for damage before buying.

- **For Casual Riders:** Evaluate whether the cost and rarity are worth it. If you are not heavily invested in these models, consider alternative cooling solutions or parts from more common bikes.

- **Budget Consideration:** If the price is prohibitive, explore aftermarket options or universal replacements, but be aware that these may not fit as perfectly or last as long as an original part. Always prioritize quality to avoid future issues.

Details:

Every part is cleaned, inspected, and represented with the accuracy these bikes deserve. The cooler is in good used condition with normal cosmetic wear and no visible damage to the core or mounting surfaces. Straight cores and intact mounting pads are getting harder to find, making this a solid OEM unit for restoration or rider use. Condition: OEM Honda oil cooler.

Finned core in good used condition. Correct Honda hose mounting pads M6 hardware. When paired with the correct CB1100F hoses and brackets, it provides increased cooling capacity improved thermal stability a worthwhile improvement for riders, hot climate bikes, or performance builds. Slight dent on right side shown in photos.

Correct part number 15600 MG5 671. Fitment: 1983 Honda CB1100F Super Sport. No visible cracks, leaks, or crushed fins. Cleaned and inspected.

part #: 15600mg5671 prices

• $89.27-$159.77

specifications cyclevintagee:

• for models: Cb1100f, Cb900f, Cb900c
• for makes: Honda
• for years: 1983
• mpn: 15600-mg5-671
• part type: Oil Cooler
• country of origin: Japan

seller cyclevintagee:

• # reviews: 2597
• rating: 100.0%
• city: Eugene, Oregon

payments cyclevintagee:

• other
• credit card: Visa
• wallet: Paypal

shipping cyclevintagee:

• type: Calculated
• class: Standard
• cost: $11.23
• service: USPS Ground Advantage
• transit: 6-10 Days
• carrier: USPS

general cyclevintagee:

• condition: Used
• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

returns cyclevintagee:

• policy: No Returns

offer cyclevintagee:

• best offers: True
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: March 7, 2026
• quantity: 1

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