6.8L Engine Overhaul Kit Fits JD | Aftermarket RE509540.

Description:
Aftermarket engine overhaul kit designed to replace OEM RE509540 for JD 6.8L PowerTech engines. Built to restore compression, sealing and reliable performance in high-hour engines used in tractors, sprayers, harvesters and industrial machines.

Type: Engine overhaul kit – 6.8L PowerTech
Replaces OEM: RE509540
Function: Provides the essential internal components required to rebuild a JD 6.8L engine. Restores proper combustion efficiency, lubrication and sealing, preventing blow-by, oil consumption, hard starting and power loss caused by worn pistons, liners and bearings.
SKU: DCP-RE509540
Dimensions: Includes full piston and liner set — detailed component specifications must be confirmed per engine serial prefix
Weight: Approx. 45–60 kg depending on kit configuration
Value: Factory to Farmer pricing — tough build, honest price
Fits Models: JD machines using the 6.8L PowerTech engine — confirm serial-specific fitment.

🚚 Delivery Time

Nationwide delivery in 3–5 business days.

🔁 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.

✅ 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 — check before buying.

🛠 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)

📦 Start a Return
Email support@discountcombineparts.com.au with:

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

We’ll reply with next steps.

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

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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 — deliver top-tier performance at unbeatable value, Factory to Farmer