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Cummins Water Pump 89-10 Dodge Ram 3800984

Cummins Water Pump 89-10 Dodge Ram 3800984

SKU:7120

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Regular price $39.99
Regular price Sale price $39.99
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Direct replacement water pump for Cummins 5.9L and 6.7L diesel engines used in Dodge Ram trucks and heavy-duty equipment. Prevents engine overheating by circulating coolant through the cooling system. Essential component for reliable engine operation.


Part Number:
• 3800984


Replaces OEM Part Numbers:
• 4892175• 3286278• A77471• A77703


Fits Vehicles & Equipment:
• Dodge Ram 2500 (1989-2010)• Dodge Ram 3500 (1989-2010)• Ford F600 / F700• Freightliner FL50, FS65, MT45• Sterling Turbo Diesel• Case IH Skid Steer 1640, 1644, 1840, 1845


Fits Cummins Diesel Engines:
• 5.9L Diesel• 6.7L Diesel


Application:
Designed for Cummins diesel engines used in Dodge Ram heavy-duty trucks, commercial vehicles, and industrial equipment. Ensures proper coolant circulation to prevent engine overheating and damage. Critical for reliable performance in demanding applications.


Installation Note:

Replacement requires draining coolant, removing drive belt, disconnecting hoses, and removing/installing water pump. Professional installation recommended. Always use fresh coolant and follow Cummins specifications.


Ships fast from our USA warehouse with same-day processing on orders placed before 3 PM PST.

Not sure it fits? Call (818) 261-3896

Join 52,000+ satisfied customers

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COMPATIBILITY

Fits These Vehicles & Equipment

Dodge Ram 2500 (1989-2010)
Dodge Ram 3500 (1989-2010)
Cummins 5.9L Diesel Engine
Cummins 6.7L Diesel Engine
Ford F600 / F700
Freightliner FL50 / FS65 / MT45
Sterling Turbo Diesel
Case IH 1640 / 1644 / 1840 / 1845

WHAT'S INCLUDED

Complete Water Pump Assembly

💧
Water Pump Assembly
OEM Quality
🔧
Cummins 5.9L / 6.7L
📐
Part #3800984
🚛
Dodge Ram Compatible
🚚
Same-Day Shipping

WHEN TO REPLACE

Signs of Water Pump Failure

Replace your water pump immediately if you notice:

⚠️ Coolant leaking from pump
⚠️ Engine overheating
⚠️ Grinding or squealing noise
⚠️ Temperature gauge running high
⚠️ Visible corrosion on pump
⚠️ Steam from engine bay

CUSTOMER REVIEWS

Trusted by Tractor Owners Nationwide

★★★★★ 4.6 out of 5 stars (927 reviews)
★★★★★
Perfect Fit
VERIFIED REVIEW

"Exact replacement for my Ford 4600. Installed in 20 minutes and tractor fired right up. Quality part at a great price. Will order from Arko again."

Mike T. • Verified Buyer • March 2026
★★★★★
Fast Shipping & Great Support
VERIFIED REVIEW

"Ordered Monday morning, received Wednesday. Called with a fitment question and spoke to someone who actually knew tractors. Part works perfectly on my Kubota."

James R. • Verified Buyer • March 2026
★★★★★
Better Than OEM
VERIFIED REVIEW

"This gasket kit saved me hundreds compared to dealer pricing. Quality is excellent, everything fit perfectly. No leaks after 50+ hours of operation."

David L. • Verified Buyer • February 2026

FAQ

Common Questions

Which Dodge Ram models does this water pump fit?

This water pump fits Dodge Ram 2500 and 3500 trucks (1989-2010) equipped with Cummins 5.9L or 6.7L diesel engines. Also fits Ford F600/F700, Freightliner FL50/FS65/MT45, Sterling Turbo Diesel, and Case IH skid steers 1640/1644/1840/1845. Part number 3800984. Call (818) 261-3896 for fitment confirmation.

What OEM part numbers does this replace?

This water pump replaces multiple OEM part numbers including: 3800984, 4892175, 3286278, A77471, and A77703. These are all interchangeable Cummins part numbers for the same water pump assembly.

Does this fit both 5.9L and 6.7L Cummins engines?

Yes! This water pump is compatible with both Cummins 5.9L and 6.7L diesel engines used in Dodge Ram 2500/3500 trucks, as well as other heavy-duty applications. The cooling system design is compatible with both engine displacements.

What's your return policy

We offer free returns within 30 days if the part doesn't fit or you're not satisfied. Parts must be unused and in original packaging.

Do you offer technical support?

Yes. Call (818) 261-3896 and we'll help you confirm fitment, answer installation questions, or troubleshoot issues.

How long does shipping take?

Orders ship same-day if placed before 3 PM EST. Standard delivery is 3-5 business days.

Keep Your Dodge Ram Running Strong

OEM-quality water pump for Cummins diesel engines in Dodge Ram trucks. Prevents overheating and engine damage. Ships same-day.

ADD TO CART — $34.99
📞 Questions? (818) 261-3896