Skip to content
ALBERTA-BASED · Serving customers across Western Canadasales@northcore.parts
530578R4 Muffler – Fits International Harvester
530578R4 Muffler – Fits International Harvester – additional image 2

NC-025860 · Mufflers

530578R4 Muffler – Fits International Harvester

CAD 270.00

Availability to confirm

Muffler – reference 530578R4. Catalogue-listed applications: International Harvester Hydro 70, Hydro 86, 666, 686, 706, 766, 806. Overall Length: 863.6 mm; Outer Diameter: 76.2 mm. 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-025860
Reference numbers
530578R4, 570578R3, 530578R3
Listed package quantity
1
Overall Length
863.6 mm
Outer Diameter
76.2 mm
Inner Diameter
74.6125 mm
Product information and configuration
Quantity indicated in catalogue: 1

Replacement part: Muffler Fits International 856 826 806 666 686 766 706 Hydro 70 530578R4. 

Configuration: Muffler
Specifications:
-Vertical / Oval Body - 5" X 11" Shell Dimension
-Overall Length: 34"
-Inlet Length: 3-1/4"
-Inlet I.D.: 2-15/16"
-Shell Length: 23"
-Outlet Length: 8-1/4"
-Outlet O.D.: 3"
Made to Fit International Harvester:
Tractor Models: Hydro 70, Hydro 86, 666, 686, 706, 766, 806, 826, 856
Replaces Part Number(s): 530578R4, 570578R3
Combine Models: 715 (SN after 23001)
Replaces Part Number(s): 530578R4, 530578R3
Made to Fit International:
Tractor Models: 686, 826, 666, Hydro 86, Hydro 70, 766
Model Breaks: Gas, LP
Replaces Part Number(s): 530578R4, 530578R3
Tractor Models: 706
Model Breaks: Gas, LP, D-310 diesel
Replaces Part Number(s): 530578R4, 530578R3
Tractor Models: 856, 806
Model Breaks: Gas, LP, Diesel
Replaces Part Number(s): 530578R4, 530578R3

Reference numbers: 530578R4, 570578R3, 530578R3

Catalogue-listed applications

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

  • International Harvester Hydro 70
  • International Harvester Hydro 86
  • International Harvester 666
  • International Harvester 686
  • International Harvester 706
  • International Harvester 766
  • International Harvester 806
  • International Harvester 826
  • International Harvester 856
  • International Harvester 715 (SN after 23001)
  • International Harvester D-310 diesel
Application notes
  • One New Aftermarket Muffler
  • Combine Models: 715 (SN after 23001)

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).