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John Deere Hydraulic Pump AR103033 AR103036

John Deere Hydraulic Pump AR103033 AR103036

AR103033

  • 52,000 Happy Customers
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  • 30-Day Free Returns
$499.99
$499.99
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Direct OEM replacement hydraulic pump for John Deere tractors.

This AR103033 hydraulic pump delivers reliable hydraulic power for implements, loaders, and 3-point hitch operation. Engineered to meet or exceed original equipment specifications with precision-machined components for long service life.

Features 16 GPM flow rate at 540 RPM, 2500 PSI maximum pressure, and includes mounting gasket and hardware. 

12-month warranty against defects.

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

Join 52,000+ satisfied customers

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COMPATIBILITY

Fits These John Deere Tractor Models

✓ John Deere 4040 (1978-1982)
✓ John Deere 4230 (1973-1977)
✓ John Deere 4240 (1978-1982)
✓ John Deere 4430 (1973-1977)
✓ John Deere 4440 (1978-1982)
✓ John Deere 4630 (1973-1977)
✓ John Deere 4640 (1978-1982)
✓ Replaces AR103033 & AR103036

WHAT'S INCLUDED

Complete Hydraulic Pump Assembly

💧
Hydraulic Pump Assembly
🔧
Mounting Gasket
⚙️
Hardware Kit
📋
Installation Instructions
✅
16 GPM Flow Rate
🚚
Same-Day Shipping

WHEN TO REPLACE

Warning Signs of Pump Failure

Replace your hydraulic pump immediately if you notice:

⚠️ Slow hydraulic response
⚠️ Whining or grinding noise
⚠️ Hydraulic fluid leaking
⚠️ System overheating
⚠️ Erratic operation
⚠️ Complete loss of power

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

Will this work on my 4430 with a front-end loader?

Yes, this pump handles full hydraulic load including front-end loaders and implements. The 16 GPM flow rate is designed for tractors with loader packages.

How long does installation take?

About 2-3 hours for someone with basic mechanical skills. Steps: drain hydraulic reservoir, remove old pump, install new pump, refill fluid, bleed system. Installation instructions included.

Do I need to bleed the system after installation?

Yes, run the tractor and cycle hydraulics 10-15 times with no load to purge air from the system. This ensures smooth operation and prevents cavitation.

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.

Restore Full Hydraulic Power to Your John Deere

OEM-quality replacement pump for John Deere 4230, 4430, 4630, 4040, 4240, 4440, 4640 tractors. 16 GPM flow rate, 2500 PSI max pressure. Ships same-day.

ADD TO CART — $499.99
📞 Questions? (818) 261-3896