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  2. sku: 19729088905761723
  3. MARINEPARTSDISTRIBUTORS 686696116036

MARINEPARTSDISTRIBUTORS Alternator Engine Champion Marine 686696116036 321-645 24V 750A Inboard

fits model: Cummins. make: Caterpillar.

Marinepartsdistributors 686696116036 24v 750a Alternator For Caterpillar Cummins Engine Champion Marine Inboard

( Brand: Marinepartsdistributors ), ( Part Type: 24v Alternator Engine ), ( Ipn: 321-645 ), ( California Prop 65 Warning: This Product May Expose You To Chemicals Such As Lead, Carbon Black, Silica, Crystalline Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov ), ( Weight: 28 Lbs ), ( Source: Aftermarket ), ( Regulator: Internal ), ( Country Of Origin: Cn ), ( UPC: 686696116036 )

Review MARINEPARTSDISTRIBUTORS 24v 750a Alternator Caterpillar Engine Champion Marine Inboard fits CUMMINS

Introducing the 686696116036 24V 750A Alternator, a premium power solution designed specifically for Caterpillar Cummins engines used in Champion Marine Inboard applications. This alternator is engineered to deliver reliable, efficient, and robust charging capabilities to keep your marine battery bank fully charged and ready for your next adventure on the water.

The alternator boasts a 24V DC output, making it ideal for larger marine applications requiring higher voltage power. With a maximum output of 750 Amps, this alternator can quickly charge even the most power-hungry batteries, ensuring that your marine electrical systems remain operational and ready to go.

Constructed with a robust cast aluminum housing, this alternator is built to withstand the rigors of marine environments. The housing is designed to be resistant to corrosion, ensuring long-lasting performance even in the harshest marine conditions. Additionally, the alternator features a high-capacity brush system that ensures consistent power output and long brush life.

The alternator also includes a regulator that maintains a stable voltage output, preventing damage to your batteries and ensuring optimal performance of your marine electrical systems. The regulator is designed to be self-adjusting, making it easy to install and eliminating the need for manual adjustments.

Installation is made easy with a bolt-on design, allowing for quick and straightforward installation on your Caterpillar Cummins engine. The alternator comes complete with all necessary mounting hardware and wiring harnesses, making it a true plug-and-play solution.

In summary, the 686696116036 24V 750A Alternator is an essential upgrade for any marine application requiring high power output and reliable charging capabilities. Its robust construction, high output capacity, and easy installation make it the go-to choice for boat owners seeking uncompromising performance and reliability on the water.

The 686696116036 24V 750A alternator is a popular option for Caterpillar Cummins engines used in Champion Marine inboard applications. This alternator provides a significant amount of charging capacity, which is essential for maintaining the battery power required to operate the engine and onboard systems. However, like any other purchase, there are pros and cons to consider before deciding to buy this alternator.

Pros:

1. High Amperage: With a capacity of 750 amps, this alternator can effectively charge the batteries quickly, especially when the engine is running at high RPMs.

2. Compatibility: Designed specifically for Caterpillar Cummins engines used in Champion Marine inboard applications, this alternator ensures a proper fit and function.

3. Durability: Caterpillar is a well-known and trusted brand in the marine and industrial sectors, and this alternator is built to withstand the rigors of continuous use in a marine environment.

4. Efficiency: The alternator is designed to convert electrical energy from the engine to charge the batteries efficiently, which can save fuel and reduce the overall operating cost.

Cons:

1. Cost: The high amperage and durability of this alternator come with a premium price tag.

2. Weight: At around 63 pounds, this alternator is heavier than some other alternatives, which can make installation and removal more challenging.

3. Complexity: Installing and maintaining this alternator may require some technical knowledge and expertise, especially for those without experience working on marine engines.

In conclusion, the 686696116036 24V 750A alternator is a reliable and capable option for those who need to charge the batteries on their Caterpillar Cummins-powered Champion Marine inboard engines quickly and efficiently. Its high amperage, compatibility, durability, and efficiency make it an attractive choice for boat owners. However, its premium cost, weight, and complexity may be a deterrent for some.

If you have the budget and the necessary expertise, this alternator is a solid investment that can provide long-term benefits in terms of battery charging performance and engine reliability. Alternatively, if you're looking for a more affordable or lighter option, you may want to consider a lower amperage alternator or explore other brands. Ultimately, the decision depends on your specific needs and budget.

Details:

Source: Aftermarket. Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but designed to function same as - if better than.: Alternator, Replaces: 321-645 0R5203 4N3986 3000347 3604685RX, Amperage: 60. All parts sold are new.

Product Notice. 24V 750A ALTERNATOR FOR CATERPILLAR CUMMINS ENGINE CHAMPION MARINE INBOARD: Replaces Part Numbers Specifications. AC DELCO 321-645, CATERPILLAR 0R5203, 4N3986, CUMMINS 3000347, 3604685RX, UNIT TYPE: DELCO, CATERPILLAR, voltage : 24 volts , AMPERAGE: 60 AMPS, POLARITY: INSULATED, ALTERNATOR FAMILY 450, OUTPUT STUD DIMENSIONS: 1/4-28, MOUNT: J180, REG. Regulator: Internal.

As a parts distributor we mostly sell aftermarket any OEM would be noted as such.

specifications altnagen:

  • for models: Cummins
  • for makes: Caterpillar
  • brand: Marinepartsdistributors
  • part type: 24v Alternator Engine
  • ipn: 321-645
  • california prop 65 warning: This Product May Expose You To Chemicals Such As Lead, Carbon Black, Silica, Crystalline Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov
  • weight: 28 Lbs
  • source: Aftermarket
  • regulator: Internal
  • country of origin: Cn
  • upc: 686696116036

seller altnagen:

  • city: Deerfield Beach, Florida
  • # reviews: 23376
  • rating: 99.1%

payments altnagen:

  • other
  • credit card: Mastercard
  • wallet: Paypal

shipping altnagen:

  • transit: 4-11 Days
  • service: Economy, Standard, Expedited, Overnight
  • cost: $0.00
  • type: Fixed
  • class: Economy, Standard, Expedited, One-day

offer altnagen:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 7
  • started: May 19, 2026

general altnagen:

  • Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Alternators Generators
  • condition: New

returns altnagen:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
for models: cummins, for makes: caterpillar, part type: 24v alternator engine, california prop 65 warning: this product may expose you to chemicals such as lead, carbon black, silica, crystalline which are known to the state of california to cause cancer and birth defects or other reproductive harm. for more information go to www.p65warnings.ca.gov, source: aftermarket, regulator: internal, country of origin: cn,
category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > alternators generators, weight: 28 lbs, sku: 19729088905761723,
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