Skip to content
ALBERTA-BASED · Serving customers across Western Canadasales@northcore.parts
A4644R Manifold Heat Exchanger – Fits John Deere
A4644R Manifold Heat Exchanger – Fits John Deere – additional image 2

NC-095050 · External Engine Components

A4644R Manifold Heat Exchanger – Fits John Deere

CAD 75.10

Availability to confirm

Manifold Heat Exchanger – reference A4644R. Catalogue-listed applications: John Deere 70, 620, 630, 720, 730. View photos, specifications, CAD pricing and delivery options from NorthCore.

Request availability, shipping and a final quote before ordering.

Ask about this part

Part specifications and references

NorthCore code
NC-095050
Reference numbers
A4644R, A4644, A4644-A, A4644R-A, TPA4644R
Listed package quantity
1
Product information and configuration
Quantity indicated in catalogue: 1

Replacement part: Manifold Heat Exchanger Fits John Deere 60 620 630 70 720 730 A4644R. 

Configuration: Manifold Heat Exchanger for John Deere TractorsThis manifold heat exchanger mounts between the intake and exhaust manifold sections on classic John Deere two-cylinder gas tractors, transferring heat from the exhaust side to warm incoming intake air and fuel for improved cold-weather starting and combustion efficiency. It is a direct drop-in replacement for the original John Deere (JD) A4644R heat exchanger used across the 60-series and 70-series tractor families.Compatible ModelsJohn Deere Tractors: 60, 70, 620, 630, 720, 730
Replaces Part Number(s):A4644R, A4644, A4644-A, A4644R-A, TPA4644R, BH-A4644RNew aftermarket replacement part - not remanufactured, not used.

Reference numbers: A4644R, A4644, A4644-A, A4644R-A, TPA4644R

Catalogue-listed applications

Use these as reference information. Check the part numbers, specifications and any application restrictions against your equipment.

  • John Deere 70
  • John Deere 620
  • John Deere 630
  • John Deere 720
  • John Deere 730
Application notes
  • One New Aftermarket Replacement Manifold Heat Exchanger for John Deere TractorsThis manifold heat exchanger mounts between the intake and exhaust manifold sections on classic John Deere two-cylinder gas tractors, transferring heat from the exhaust side to warm incoming intake air and fuel for improved cold-weather starting and combustion efficiency. It is a direct drop-in replacement for the original John Deere (JD) A4644R heat exchanger used across the 60-series and 70-series tractor families.Compatible ModelsJohn Deere Tractors: 60, 70, 620, 630, 720, 730 Replaces Part Number(s):A4644R, A4644, A4644-A, A4644R-A, TPA4644R, BH-A4644RNew aftermarket replacement part - not remanufactured, not used.

Browse related parts

Other listings with this reference

These are separate offers. Compare each listing’s specifications, package details and price.

NORTHCORE EQUIPMENT SUPPLY

Search the parts catalogue

Browse equipment parts, compare prices and order online. By part number · By category · By equipment make

Prices in CADDelivery across Canada

Minimum parts order: CAD 100 · Shipping and taxes calculated at checkout

THE CATALOGUE

All parts

Loading parts…

MORE THAN A CATALOGUE

Can’t see the part you need?

Tell us what you’re looking for. We’ll work on finding it.

Part details
Shipping and taxes calculated at checkout.Minimum online order: CAD 100 in parts.

Choose your part using the listed numbers and specifications. Availability, shipping and taxes are checked at checkout.

Listed applications
Your parts cart

Your parts cart

Your cart is saved on this device for 30 days. Prices and availability are checked again when you order.

Review your parts and quantities, then continue to delivery and payment.

Delivery and applicable taxes are calculated at checkout.

Need help with this order? Send an enquiry

Send a parts enquiry

Send your request directly to NorthCore. Your selected parts and quantities are included automatically. Machine details are optional.

For kits and packs, tell us the number of units or packs needed. We’ll confirm exactly what is included.

We’ll reply by email. Sending this enquiry does not create an order or take payment.

By sending, you ask NorthCore to contact you about this enquiry. Your details are processed through Formspree, which may process information outside Canada. No marketing signup. Privacy Notice.
PARTS SOURCING

WE CAN HELP

Can’t find your part?

Send us the part number or a description. Our team will look for options and reply by email.

Parts request

Tell us what you need. Only three fields are required (*). Send your request here — no email app needed.

Add machine & company details (optional)
Have photos or a nameplate?
Email them to sales@northcore.parts using the same name and part details. This form sends text only.

We’ll review your details and reply by email. No order or payment is created.

By sending, you ask us to contact you about this enquiry. Your details are processed through Formspree, which may process information outside Canada. No marketing signup. Read our Privacy Notice (new tab) and Terms & Ordering (new tab).