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Ecu — fits 19 New Holland models — 51678591

Fits: New Holland C327, New Holland C330, New Holland C332, New Holland C334, New Holland C337 + 14 more

Also available remanufactured: 51678591R

About this item

  • Genuine New Holland OEM part — direct factory replacement
  • Fits: New Holland C327, New Holland C330, New Holland C332, New Holland C334, New Holland C337 + 14 more
Replaces
48083723
why →
$1,556.97/ each · USD
In Stock – online only

usually ships in 3-5 business days

Free shipping on parts orders $75+

To the 48 contiguous states, with a CROP account.

Qty

Ships from Clinton Tractor, Clinton NY

OEM parts

30-day returns · see policy

Sold & shipped by Clinton Tractor & Implement Co.
Authorized New Holland dealer · since 1953
$1,556.97/ each · USD
In Stock – online only

usually ships in 3-5 business days

Free shipping on parts orders $75+

To the 48 contiguous states, with a CROP account.

Qty

Ships from Clinton Tractor, Clinton NY

OEM parts

30-day returns · see policy

Sold & shipped by Clinton Tractor & Implement Co.
Authorized New Holland dealer · since 1953

Overview

Product description

OEM ecu for the New Holland C345 and C362. Cataloged for 19 New Holland models across 4 series.

Specifications

Technical specifications

9 attributes
Part type
Ecu
Fits
19 New Holland models
Brand
New Holland
Part number (MPN)
51678591
SKU
CT-NHL-51678591
Category
GENERAL
Part Number
51678591
Division
BOTH
Kit Available
Yes
Fit & diagrams

Compatibility

Will it fit your machine?

Type your model to confirm it fits — or browse the full compatibility list below.

Equipment models this part fits
ModelSeries
C345300 SERIES
C362300 SERIES
C332300 SERIES
C334300 SERIES
C337300 SERIES
L328L
C327300 SERIES
C330300 SERIES
L320L
L321300 SERIES
L334300 SERIES
TH636TH - AG
TH742TH - AG
TH935TH - AG
Compact Track Loader - Tier 4F - NAConstruction Equipment
Regulated (Na) - MY25Construction Equipment
Skid Steer Loader - Tier 4F - NAConstruction Equipment
Regulated Stage V (Na) - MY25Construction Equipment
Regulated Stage V (Na)Construction Equipment

Showing the first 10 of 19 compatible models — type your model above to jump straight to it.

Not sure it fits? Browse the full parts catalogue to check every listed part.

Parts diagrams

Find it in the exploded diagram

Every diagram this part appears in — jump straight to its callout, or browse the whole assembly. Each diagram opens with every part numbered, and each callout links back to its own part page.

New HollandSystemAssemblyThis part
Group diagrams
Parts diagrams this part appears in
AssemblyMachineCalloutPartsView
Electrical, Chassis exploded parts diagram — New Holland C334
Electrical, Chassis
New Holland C334 · Electrical Systems#1953View
Chassis, Electrical exploded parts diagram — New Holland C327
Chassis, Electrical
New Holland C327 · Electrical Systems#1851View
Chassis, Electrical exploded parts diagram — New Holland C332
Chassis, Electrical
New Holland C332 · Electrical Systems#1843View
Chassis, Electrical exploded parts diagram — Skid Steer Loader - Tier 4F - NA
Chassis, Electrical
Skid Steer Loader - Tier 4F - NA · Electrical Systems#1851View
Chassis, Electrical exploded parts diagram — New Holland L321
Chassis, Electrical
New Holland L321 · Electrical Systems#1851View

Older numbers

Older part numbers for this part

If your manual or an old invoice lists one of these, 51678591 is the current number to order. The old numbers bring you to this page.

  • 48083723

Part guide

New Holland 51678591 ecu — buyer's guide

~1 min read

New Holland 51678591 is the ecu Clinton Tractor supplies for this application. It is listed as fitting 19 New Holland models.

What 51678591 fits

Fits: New Holland C327, New Holland C330, New Holland C332, New Holland C334, New Holland C337 + 14 more. Commonly ordered for the C345, C362, Compact Track Loader - Tier 4F - NA. If your machine isn't listed, check the serial number before ordering.

Which numbers it replaces

51678591 replaces 48083723. If your parts manual or the old box shows any of those numbers, this is the correct current replacement — no fitment change.

$1,556.97In Stock – online only