Fiat Tractor Hydraulic Gear Pump Replacement – 5131170 5180273
GBC-5131170 is a direct-replacement external gear pump for Fiat tractor series where OEM references 5131170 or 5180273 apply. Dual OEM cross-references confirm fitment across Fiat and New Holland crossover model applications, simplifying parts selection for multi-brand dealers. Built to OEM or better performance standards with no modifications required.
MOQ: flexible. Minimum order value USD 1,500; mixed orders and trial quantities welcome.
GBC-5131170 — Fiat Tractor Hydraulic Gear Pump Replacement – 5131170 5180273
One of the practical challenges in sourcing hydraulic pump replacements for Fiat tractors is the dual-numbering system that arose from Fiat’s agricultural division transition into the New Holland brand during the late 1980s and early 1990s. The same physical pump was often carried forward under both a Fiat OEM reference and a New Holland service reference, creating two parallel part numbers for the same component. The {sku} covers exactly this scenario: OEM references 5131170 (original Fiat number) and 5180273 (New Holland supersession or cross-reference) both confirm fitment of this replacement pump.
The {sku} is the aftermarket equivalent of the Fiat/New Holland 5131170 and 5180273 hydraulic gear pump. Having two confirmed OEM cross-references means that parts dealers stocking the {sku} can serve customers presenting either number, reducing the need to carry separate stock for each reference. For the full range of Fiat and New Holland compatible hydraulic pumps, visit the GBC homepage.

Dual OEM Reference — Fiat and New Holland Crossover
The coexistence of 5131170 and 5180273 as valid references for the same pump reflects the Fiat-to-New Holland brand transition that occurred when Fiat’s agricultural equipment division was absorbed into Case New Holland. During this period, many parts were re-catalogued under new part numbers while the physical components remained identical. Understanding this dual-numbering context is essential for dealers operating parts lookup systems that may only show one of the two numbers depending on which catalogue generation they are using.
| Tractor Make | Model / Series | Notes |
|---|---|---|
| Fiat | Models with 5131170 pump reference | Fiat catalogue |
| New Holland | Models with 5180273 cross-reference | New Holland / CNH catalogue |
| Fiat / New Holland | Crossover transition models | Either reference confirms fitment |
Technical Specifications
| Specification | Value |
|---|---|
| Applied To | Fiat Tractors |
| OEM Ref No | 5131170, 5180273 |
| Nominal Displacement | 14 ml/r |
| Maximum Pressure | 200 bar |
| Rotational Speed | 500–3000 r/min |
| Controlled Flow Rate | 18 L/min |
| Fuel Feed Hole | Φ20 |
| Fuel Discharge Hole | M18*1.5 |
| Direction of Rotation | → Right (Clockwise) |
Fiat and New Holland Crossover Parts Strategy for Dealers
Agricultural parts dealers who serve both Fiat legacy fleet customers and New Holland customers benefit from understanding which Fiat pump references were carried forward into the New Holland parts system. This knowledge allows them to stock a single SKU — like the {sku} — that satisfies demand from customers presenting either number. For a dealer with mixed Fiat and New Holland customer base, this consolidation can meaningfully reduce the number of hydraulic pump SKUs required to serve the full customer fleet.
The 5131170/5180273 combination is one of the cleaner examples of this crossover — both numbers refer to a pump that remained mechanically unchanged across the brand transition. Customers who have found their tractor’s pump listed in both systems can order the {sku} with confidence that it will fit regardless of which catalogue they referenced. Contact our team for multi-number Fiat/New Holland pump cross-reference support.

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Dual OEM Cross-Reference
Confirmed against both 5131170 (Fiat) and 5180273 (New Holland) — fits customers presenting either number.
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SKU Consolidation for Dealers
One aftermarket part number replaces two OEM references — reduces stock holding requirement for mixed Fiat/New Holland dealers.
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Brand Transition Coverage
Covers the Fiat-to-New Holland transition period models where dual numbering is most commonly encountered.
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Verified Cross-Reference Accuracy
Both OEM references confirmed against the same physical pump specification — no risk of part mismatch.
Installation Notes and Dual-Reference Ordering Guidance
When ordering the {sku}, verify that your existing pump carries either 5131170 or 5180273 on the body. If your parts system shows only one of these numbers, confirm with our team that the physical pump dimension matches — in the rare case that 5180273 was applied as a New Holland number to a different pump specification, dimensional verification will catch any discrepancy before installation.
Installation follows standard Fiat hydraulic pump procedure: clean mating faces, pre-fill with fluid, torque fasteners to spec, and prime at low idle before applying implement load. Change the hydraulic filter at the same time for best results. For multi-unit ordering or dealer terms, contact us via the contact page.

About GBC
GBC is a specialist supplier of aftermarket agricultural and industrial hydraulic components, operating across Australia and key global markets. With a manufacturing background spanning gear pumps, hydraulic cylinders, power transmission components, and tractor drivetrain parts, GBC provides OEM-grade replacement parts with flexible order quantities and competitive lead times. Our sourcing team works directly with certified factories to ensure every unit meets or exceeds original equipment specifications. Learn more on our About Us page, or browse our full range at the GBC homepage.
Frequently Asked Questions
Is this an OEM part or an aftermarket replacement?
How do I confirm fitment before ordering?
What is the minimum order quantity and lead time?
What hydraulic fluid should I use with this pump?
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Ready to Order or Need Technical Advice?
Our hydraulic pump specialists are ready to confirm fitment, discuss MOQ, and arrange freight to your location anywhere in Australia and beyond.
GBC-5131170 is a direct-replacement external gear pump for Fiat tractor series where OEM references 5131170 or 5180273 apply. Dual OEM cross-references confirm fitment across Fiat and New Holland crossover model applications, simplifying parts selection for multi-brand dealers. Built to OEM or better performance standards with no modifications required.
MOQ: flexible. Minimum order value USD 1,500; mixed orders and trial quantities welcome.





