Exmark Hydro Filter Costs (Brand Comparison)

Exmark hydro-filter prices depend on the mower’s exact model, serial number, and installed drive system. As a general retail guide, OEM filters often cost $20–$40, while reputable aftermarket options often cost $10–$25, before shipping. Confirm the current part number and service requirements in Exmark’s parts catalog and manual before buying or changing a filter.

A quick way to avoid an expensive mistake is to pause before ordering. “Exmark hydro filter” is not a complete fitment description: filters can differ in thread, gasket, flow, filtration, and bypass design. A filter that screws on may still be the wrong part.

I compare the full purchase cost, not just the price on the listing. That means checking fitment, shipping, seller, and any required hydraulic fluid. The steps below help you choose a filter without treating all Exmark mowers as the same machine.

Confirm Exmark Model, Hydro System, and Filter Fitment

Fitment is the first cost check because a low-priced filter is no bargain if it is wrong. Use your mower’s model and serial number to find its parts information, then confirm the filter for the installed hydraulic pump or transaxle. Do not order by brand name or appearance alone.

Find the model and serial number on the mower’s identification label. Use those details in the Exmark parts catalog or ask an authorized dealer to look up the correct service part. Check for a current part number and any listed replacement or supersession. A supersession means the manufacturer has replaced an older part number with a newer one.

Exmark/Toro 103-2146 is a hydraulic-filter part number used on some equipment. That does not confirm it fits every Exmark mower. Treat it as an example to verify against your machine, not a universal recommendation.

Filter specifications matter beyond thread size. The specified micron rating describes the size of particles a filter is designed to capture. Bypass characteristics affect how oil can flow if the filter becomes restricted. Thread, gasket, and flow suitability also need to match the application. A similar-looking filter is not proof of equal performance.

Before you compare prices, confirm:

• Mower model and serial number
• Installed pump or transaxle, where the parts information lists it
• Current OEM filter number and any supersession
• The manual’s required hydraulic fluid and service procedure
• Whether the scheduled service calls for a filter alone or a filter and fluid

If a listing claims “fits Exmark” but gives no exact application or cross-reference, ask the seller for documented fitment. When the catalog and a listing disagree, pause and confirm with a dealer or the equipment manufacturer.

Compare OEM and Aftermarket Filter Costs

OEM means a part sold under the original equipment manufacturer’s brand or approved parts channel. Aftermarket means a replacement made by another supplier. The price ranges below are indicative U.S. retail figures, not quotes; live prices, availability, shipping, and exact fitment can change the total.

A cheaper aftermarket filter may lower the parts bill, but the listing should identify the intended application. Confirm that its manufacturer documents the cross-reference; do not infer equivalent filtration or bypass behavior from matching threads or dimensions. If the seller cannot verify fitment, the lower price does not make the risk worthwhile.

Compare the total for the job, too. A filter purchase may include shipping, and the manual may require hydraulic fluid as part of the service. Fluid type and quantity depend on the mower and drive system, so I would not add a generic fluid amount to a cost estimate. Use the manual’s specification before buying supplies.

Labor is another variable. If a shop performs the work, ask for the filter part number, parts price, labor charge, and whether fluid is included. This makes a dealer quote easier to compare with a do-it-yourself parts purchase. A low filter price alone does not show which option costs less overall.

Here are two illustrative shopping scenarios using only the indicative filter ranges above:

• OEM choice: A verified OEM filter priced at $30 falls within the usual $20–$40 range. Add any shipping and any fluid the manual requires.
• Aftermarket choice: A documented equivalent priced at $16 falls within the usual $10–$25 range. Check shipping, seller terms, and cross-reference before comparing it with the OEM option.

These are examples, not quotes for a specific Exmark model. The exact part number must come first. Then compare the delivered filter price and any service materials that apply to your machine.

Filter Replacement, Inspection, and Hydraulic-System Checks

A correct filter still needs a clean, careful installation. Dirt introduced during service can enter the hydraulic system, while a wrong filter can restrict flow or fail to match the system’s needs. Follow the mower’s manual for the exact procedure, oil, tightening method, and checks.

Prepare the mower and parts

Park on a level surface. Disengage the blades, set the brake, stop the engine, remove the key, and let hot components cool. Locate the specified filter and the correct hydraulic fluid before opening the system. If the manual calls for a different safety or service procedure, follow that procedure.

Keep the filter area and tools clean. Have a suitable container ready for any oil that may drain, and plan to handle the used filter and fluid according to local disposal rules. Do not open the hydraulic system until you have confirmed the correct replacement part.

Remove and install the filter

Follow the manual’s directions to remove the old filter. Check that its gasket came off with it and inspect the mounting surface. A gasket left behind can prevent a sound seal. Keep dirt and debris away from the open mount.

Lubricate the new filter’s gasket with the specified hydraulic oil, then install and tighten it using the manual’s method. Tightening instructions differ, so do not substitute a guessed number of turns or a generic torque value. Refill only with the fluid specified for that mower, and only as directed.

Check the system after service

Start and test the mower at low speed as the manual directs. Look for leaks and check for smooth drive response. Recheck the hydraulic-fluid level using the prescribed method; some machines require a specific operating condition for a valid check.

Stop immediately if the filter leaks, the drive response is abnormal, or the system makes unusual noise. Shut down safely and inspect the work against the manual. Do not keep running a mower with a suspected leak or poor drive response: a wrong filter or contaminated installation can damage the hydro pump or transaxle.

A useful cost comparison is not just “OEM versus aftermarket.” It is the price of a verified part versus the risk of repeating the job or damaging a costly hydraulic system. When the cross-reference is unclear, confirmation is the lower-risk next step.

Service Records and Seasonal Storage

A short service record helps you buy the right filter next time and understand what work was done. Record the mower’s model and serial number, filter part number, date, fluid used if applicable, and any symptoms you noticed. Keep the manual’s interval as the schedule; do not apply another Exmark model’s interval.

For each service, note:

• Date and mower hours, if the machine has an hour meter
• Filter brand and exact part number
• Fluid type added or replaced, if applicable
• Seller and total cost, including shipping
• Any leaks, noise, or change in drive response after service

Before seasonal storage, use the manual’s maintenance and storage instructions. Do not change a filter early or delay service based on a general rule from another mower. The required interval and whether to change fluid vary by model and drive system.

Cost-focused service examples

These examples show how to use the price ranges without claiming a particular filter fits a particular mower.

• You have a confirmed OEM number: Compare the OEM filter’s price with documented aftermarket equivalents. If the aftermarket listing lacks a clear cross-reference, treat it as unverified rather than as a true price match.
• Your mower needs fluid service as well: Add the specified fluid and any other required parts to the comparison. A filter-only price will understate the job’s cost if the manual calls for more.
• A shop quote seems high: Ask for the filter number, parts cost, labor, and included fluid. Verify the part against your mower’s model and serial number before comparing the quote with a DIY option.

I find that recording the part number is especially useful when a mower is serviced between seasons. It turns the next purchase into a lookup rather than a guess, while still leaving room to confirm a superseded part number.

Frequently Asked Questions

These answers address the most common questions about filter price, fitment, and service. Because Exmark hydraulic systems vary, use the parts catalog and manual for your mower’s final specifications. A broad price range can help with budgeting, but it cannot identify the correct filter by itself.

How much does an Exmark hydro filter cost?
Indicative U.S. retail prices are commonly $20–$40 for OEM filters and $10–$25 for reputable aftermarket equivalents. Shipping, dealer pricing, and exact part fit can change the total.

Does Exmark/Toro 103-2146 fit every Exmark mower?
No. It is used on some equipment, but it is not confirmed for every Exmark mower. Verify the current part number using your mower’s model and serial number.

Can I choose an aftermarket filter to save money?
Yes, if the seller or manufacturer documents the exact application and cross-reference. Do not treat matching threads or appearance as proof that filtration and bypass features are suitable.

How do I find the right hydro filter number?
Look up the mower’s model and serial number in the Exmark parts catalog, or ask an authorized dealer to check them. Confirm any listed supersession before ordering.

Should I replace the hydraulic fluid with the filter?
Follow your model’s manual. Some service procedures may call for a filter alone, while others may require fluid service as well. Requirements vary by mower and drive system.

Is a matching thread enough to confirm fit?
No. Thread, gasket, micron rating, bypass characteristics, and flow suitability can all matter. Use the specified service part or a documented equivalent.

What should I check after installing a filter?
Follow the manual’s startup and fluid-level procedure. Check for leaks and smooth drive response. Stop if the filter leaks, the drive behaves abnormally, or unusual noise occurs.

Can I compare prices before confirming the part number?
You can use typical ranges for a budget, but do not choose a product until fitment is confirmed. Compare delivered price, documented application, seller terms, and any required fluid or labor.

(This article was written by one of our staff writers, Harrison Croft. Visit our Meet the Team page.)