Request a quote
Get a Quote for Engine Filters
Email and phone are required. Leave anything you don't know blank.
Menu
Menu
Perkins Fuel Filters
A Perkins fuel system is filtered in two stages — a primary element and a final element — and the two are not interchangeable. The correct element for an engine depends on the build list, not the model name alone, because the same engine designation can carry different fuel arrangements across production.
This page covers Perkins fuel filter selection for tractors, plant, generator sets, marine, and fleet duty — and how to confirm which stage and which element an engine takes.
- A Perkins fuel system has a primary and a final fuel element — not interchangeable, and replaced together.
- The engine serial/build list decides the element, not the model designation alone.
- A water separator is not a fuel filter; where the engine uses one, it is a different component.
- A cross-reference or a supersession is a candidate to review, not proof of fitment or of the stage.
Perkins Fuel Filter Part Numbers We List
Two Perkins fuel filter references are listed as product pages beneath this category. A number missing from the current record may have been replaced.
Two Stages: Primary and Final
The primary fuel element and the final fuel element do different jobs and are not interchangeable. Which element the engine takes is read from the installed position and the build, not from the number alone.
Primary Fuel Element
Sits on the suction side, close to the tank, and removes bulk contamination — often combined with water separation.
Confirm first: whether the housing is a filter, a separator, or a combined unit.
Final Fuel Element
Sits between the lift pump and the injection pump and protects the injectors with the final stage of filtration.
Confirm first: that the element is the final stage for this build, not the primary.
Replaced Together
Perkins manuals state the primary and final fuel elements are replaced at the same service event, so the “which one” question is usually really “which pair.” A final element used as a primary loads and bypasses early; a primary used as a final under-protects the injectors. A dimensional match confirms the thread, not the stage.
The Build List Decides the Number
The engine serial number is the defining record. Perkins guidance states the serial encodes the engine type, the build list, and the year, and the prefix letters identify the specific build. The same series name — a 1104, or a 400 Series — can carry different fuel arrangements across production years. A number found for “a Perkins 1104” may match one build and not another. The model designation alone is a starting point, not a result.
| If you have… | Then… | Confirm first |
|---|---|---|
| The engine serial/build list | The correct element can be confirmed against it | That the serial is complete and matches the installed engine |
| Only the model name | The number is a candidate, not a result | The full build list before trusting any number |
| An old number that “has been superseded” | The supersession is a lead to check | The old and current numbers against the build record |
Supersession is common on Perkins fuel numbers, and a later number that replaces an earlier one is a candidate to confirm against the build — not a drop-in guarantee. Once the records are in hand, the filter lookup searches by part number or engine model.
Records to Confirm Before You Order
Five records turn a candidate reference into a confirmed match. Collect them before you request a quote.
Collect These Five Records
-
Engine maker, model, and full serial/build number
The engine serial or build list is the defining record; the model name alone is a starting point.
-
Which stage — primary or final
State the installed position on the fuel circuit, not just the element number.
-
Whether the component is a filter, a water separator, or a combined unit
These are different categories and are not quoted as the same item.
-
The complete number printed on the removed element
Quote the full number, including any suffix; a truncated number is an incomplete record.
-
Quantity, service set, and genuine-original requirement
State whether one element or a service set is required, and whether a genuine original is mandatory.
Reading a Perkins Fuel Filter Number
Two numbering systems describe the same element: the engine maker’s and the filter maker’s. The cross-reference between them is where disagreement starts — and on a two-stage fuel system, the bare number does not carry the stage.
Perkins fuel numbers supersede frequently across the 400, 1000, 1100, and 1200 Series. A superseded number is a candidate to check against the build, not a fitment statement. Quote the complete number, including any suffix — a truncated number is an incomplete record, and on fuel filters the missing suffix can hide the stage or the build variant.
Perkins 26560143 and 26561118 are the two fuel filter product pages beneath this one: Perkins 26560143 and Perkins 26561118. A number missing from the current record may have been replaced.
Candidate references to review
- Perkins 26560143
- Perkins 26561118
- Superseded number — check against build
A cross-reference or a supersession is a candidate to review, not proof of fitment or of the stage. Confirm the reference against the engine build and the installed position.
How a Perkins Fuel Filter List Is Quoted
You send the build records, the stage, and the old numbers; we check each and state the item, maker, complete number, stage, quantity, and delivery terms. Unconfirmed lines are marked, not guessed. Multi-engine lists are quoted line by line; see bulk filter supply.
Send a multi-engine Perkins fuel filter list and receive each line quoted individually, with the maker, complete number, and stage stated for every item.
Send a Multi-Engine List →Frequently Asked Questions
What Perkins fuel filter do I need?
It depends on the engine build and which fuel stage you are servicing, not the model name alone. Confirm the stage and the build list, then send the build and the old number and we confirm the item.
What is the difference between a primary and final-stage Perkins fuel filter?
The primary removes bulk contamination near the tank; the final protects the injectors. They are not interchangeable, and Perkins manuals state both are replaced together.
Is a water separator the same as a Perkins fuel filter?
No. A separator removes water and sediment and may have no filter element at all. Where the engine uses one, it is a separate component routed to the fuel/water-separator category.
How do I find the right Perkins fuel filter number?
Start from the engine serial/build list, which encodes the build, then match the number printed on the removed element. A number found from the model name alone is a candidate to check.
Can I use an aftermarket Perkins fuel filter?
State the requirement before quoting; any alternative is labelled as one. Compare the stage, the media, and the build list, not the thread alone.
What information do I need before requesting a Perkins fuel filter quote?
Engine maker, model, and full serial or build number; which stage; whether the component is a filter, separator, or combined unit; the complete number off the removed element; and quantity. Photographs help when the number is worn or unclear.
Confirm the Stage, Then the Number
A Perkins fuel filter is quoted against a stage, a build list, a position, and a number, in that order. Record the build, the stage, and the old element’s number, then check the offer before it ships. Send the engine model, the serial or build number, and the number printed on each element you are replacing. We will confirm the stage, the offered item, and the delivery terms line by line.
Request a Perkins Fuel Filter Quote →