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For Wholesale Enquiries Click to Call +61 430 609 882
For Wholesale Enquiries Call +61 430 609 882

8.1L Engine Overhaul Kit Fits JD | Aftermarket OK504201.

Original price $7,370.00 - Original price $7,370.00
Original price
$7,370.00
$7,370.00 - $7,370.00
Current price $7,370.00

GST Included

Conrod Bearing Size: Standard
Main Bearing Size: Standard
Thrust Bearing Size: Standard (Flanged)
Description & Features

Description:
Complete aftermarket engine overhaul kit designed to replace OEM OK504201 for JD 8.1L PowerTech engines. Provides all major internal components needed to restore compression, sealing and long-term reliability in high-hour engines.

Type: Engine overhaul kit – 8.1L PowerTech
Replaces OEM: OK504201
Function: Supplies the essential internal components required to fully rebuild a JD 8.1L engine. Restores proper combustion, lubrication and sealing, preventing blow-by, oil consumption, hard starting and reduced power caused by worn pistons, liners and bearings.
SKU: DCP-OK504201
Dimensions: Includes complete piston and liner set β€” component specifications must be confirmed per engine serial prefix
Weight: Approx. 55–75 kg depending on kit configuration
Value: Factory to Farmer pricing β€” tough build, honest price
Fits Models: JD machines using the 8.1L PowerTech engine β€” confirm serial-specific fitment.

Delivery & Returns PolicyΒ Β 

🚚 Delivery Time

Nationwide delivery in 3–5 business days.

πŸ” Returns & Refunds

At Discount Combine Parts, we’re here to keep your operation running. If something’s not right, we’ll help make it right.

βœ… Eligible Returns

  • Unused, original condition
  • Within 30 days of delivery
  • Proof of purchase required
  • Pre-approved by our team

⚠️ Some electrical/custom parts may not be returnable β€” check before buying.

πŸ›  Faulty or Damaged?

  • Report within 7 days
  • Include photos or video
  • If confirmed, we’ll cover return shipping and offer a replacement, repair, or refund (per Australian Consumer Law)

🚫 Not Returnable

  • Used/installed parts
  • Items without prior approval
  • Damage from incorrect use
  • Sale/clearance items (change of mind)

πŸ“¦ Start a Return
Email support@discountcombineparts.com.au with:

  • Order number
  • Reason for return
  • Photos (if needed)

We’ll reply with next steps.

πŸ’΅ Refunds
Processed to your original payment method within 5–10 business days after inspection.

Need help? Just reach out β€” that’s the Factory to Farmer difference.

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Disclaimer

All parts listed on this website are aftermarket replacements and not original equipment manufacturer (OEM) products.
Any part numbers, brand names, or images are used strictly for reference purposes only.

At Discount Combine Parts, we supply premium-quality aftermarket components sourced directly from trusted factories. Our goal is simple β€” deliver top-tier performance at unbeatable value, Factory to Farmer

Need a Quote or Have Questions? Book a Chat with the Owner Today!

Need a Quote or Have Questions? Book a Chat with the Owner Today!

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