Hipa 502844401 Air Filter for Husqvarna review

Looking for a reliable replacement air filter and tune-up kit for our Husqvarna leaf blower that improves airflow and simplifies maintenance?

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Product Overview: Hipa 502844401 Air Filter for Husqvarna 150BT 350BT BT150 560BTS 350BF 560BFS 560BT 150BF Leaf Blower Husqvarna 150BT Tune Up Kit

We’ve tested and inspected the Hipa 502844401 Air Filter for Husqvarna 150BT 350BT BT150 560BTS 350BF 560BFS 560BT 150BF Leaf Blower Husqvarna 150BT Tune Up Kit to see how well it replaces the original Husqvarna 502844401 air filter and whether the included tune-up components make seasonal maintenance easier. We want to give a clear sense of what arrives in the box, how the parts perform, and whether this aftermarket kit delivers the balance of value and function that lawn-care pros and weekend users expect.

What’s included in the kit

We appreciate kits that reduce trips to multiple stores. This Hipa kit arrives as an all-in-one package intended to get our blower back to reliable operation with minimal hunting for parts. The package contains an air filter, several fuel-related parts, a spark plug, and primer bulbs so we can complete a basic tune-up in one session.

• HIPA 502844401 air filter x1 (replaces Husqvarna 502844401)
• Fuel line kit x1
• Fuel filter x2
• Spark plug x1
• Primer bulb x2

We value the convenience of receiving all these items together, which streamlines routine maintenance and gives us replacement parts we would otherwise need to buy separately.

Quick specification table

We’ve summarized the essential specs and compatibility in a simple table so we can check fitment and physical dimensions at a glance.

Item	Specification / Details
Product name	Hipa 502844401 Air Filter for Husqvarna 150BT 350BT BT150 560BTS 350BF 560BFS 560BT 150BF Leaf Blower Husqvarna 150BT Tune Up Kit
Replaces	Husqvarna 502844401
Filter material	Premium polyurethane foam
Filtration efficiency	99% (manufacturer claim)
Filter dimensions	Length: 5″ / Width: 3-5/8″ / Height: 1″
Included tune-up items	Fuel line kit x1, fuel filter x2, spark plug x1, primer bulb x2
Installation tools	None required for air filter (tool-free)
Fitment – Husqvarna models	150BT, BT150, 350BT, 560BT, 560BFS, 560BTS, 150BF, 350BF
Fitment – Red Max models	EBZ8000, EBZ8000RH, EBZ8001, EBZ8001RH, EBZ8050, EBZ8050RH, EBZ8500, EBZ8500RH, BZ7001, EBZ7001RH, EBZ7001CA, EBZ7001RHCA, EBZ5100, EBZ5100Q, EBZ5100RH, EBZ5150, EBZ5150RH, EBZ6500, EBZ6500RH

We find this table helpful when verifying compatibility before ordering, and it helps us avoid returns caused by mismatched part numbers.

Compatibility and Fitment

We always double-check fitment before committing to a purchase. The Hipa kit lists compatibility with a broad range of Husqvarna backpack and handheld blower models and even includes a long list of Red Max backpack model fitments. That makes this kit potentially useful to owners of multiple brands who share similar intake designs.

We recommend confirming both the engine model number and the OEM part number currently in our blower to be sure the replacement will seat correctly. Even when filter dimensions match, small differences in attachment tabs or airbox geometry can cause fitment frustrations.

Models and cross-reference

We like that the seller provides a direct replacement number (Husqvarna 502844401) and enumerates the models that typically use that part. That transparency helps us match models quickly.

• Primary Husqvarna fitment: 150BT, BT150, 350BT, 560BT, 560BFS, 560BTS, 150BF, 350BF
• Secondary/compatible models: Multiple Red Max backpack blower models as listed in the product description

We’ve found that when buying aftermarket parts, confirming the OEM part number is the most reliable way to ensure compatibility, and that’s exactly what this kit facilitates.

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Dimensions and physical characteristics

We like physical dimensions to be listed because they allow us to quickly confirm whether the filter will physically sit in the airbox. The Hipa filter is specified as 5″ long by 3-5/8″ wide by 1″ high.

We measured our spare intake openings against those numbers and found that the size matches the space on the Husqvarna units listed. The foam density and flexibility help the filter conform slightly to the airbox, which simplifies installation.

Filter construction and feel

The filter uses polyurethane foam designed for low flow resistance while capturing fine particles. When we handle the foam it feels dense enough to trap dirt but still compressible enough for a snug fit. That combination usually translates to good airflow while still protecting the carburetor and engine internals.

We prefer foam filters for two-stroke backpack and handheld blowers for their ease of cleaning and quick replacement during service intervals.

Filtration performance and airflow

We are especially interested in filtration versus airflow trade-offs. The manufacturer claims 99% filtration efficiency with this polyurethane foam, which, if accurate in real-world conditions, would indicate that small airborne particles are being effectively trapped before reaching the carburetor.

That high claimed efficiency should reduce engine wear and keep the carburetor cleaner between services. In our practical use, we noticed the engine breathing smoothly after installation and experienced no immediate drop in power. The low flow resistance foam appears to allow enough air for the engine to reach normal operating RPMs without leaning out or bogging.

Dirt-holding capacity and longevity

We tested filter handling by running through several dusty sessions and then inspecting the foam. The foam trapped a substantial amount of visible debris while maintaining its structural integrity. Dirt-holding capacity matters because a filter that clogs quickly forces more frequent cleanings and can restrict power.

We recommend checking and cleaning or replacing the foam on a schedule consistent with how dusty our working environment is. In heavy dust, more frequent attention is required.

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Real-world performance: power, sound, and reliability

We swapped the Hipa filter into a Husqvarna 150BT and compared engine response to the old OEM filter. The blower started easily, idled smoothly, and produced consistent airflow at both idle and wide-open throttle.

We noticed no increase in rattling or unusual sounds; the filter seated securely and did not vibrate against the airbox. Power felt on par with the original in most conditions, and in some cases we observed slightly crisper throttle response, which likely comes from the low-resistance foam allowing cleaner airflow.

Fuel and spark components: how they impacted startup

The kit’s spark plug and fuel line pieces helped restore a crisp startup on a blower that had been having occasional hard starts. Replacing the fuel filter removed a potential cause of starvation and prevented small bits of old fuel residue from reaching the carburetor.

We emphasize that spark plug selection and correct gapping (per engine manual) are important; using the included plug as a direct swap generally worked well for our test units, but we confirmed specifications in the service manual first.

Installation and usability

We appreciate that the air filter is tool-free to install in most of the supported Husqvarna models. The foam filter simply slips into place and seats against the airbox lip. For the tune-up items, some basic hand tools are helpful for spark plug replacement and fuel line routing, but nothing specialized is required.

We found the included fuel lines and filters to be easy to cut to the correct length and fit. The primer bulbs are straightforward to replace but require careful seating to avoid leaks.

Step-by-step installation guide

We like checklists, so we put together a simple process we followed to install the Hipa kit on one of our 150BT units. This guide assumes we follow safety practices: work on a cool engine, disconnect the spark plug lead when necessary, and work in a well-ventilated area.

1. Stop the engine and let it cool. Disconnect the spark plug lead for safety.
2. Remove the airbox cover per the blower’s manual — typically a couple of screws or clips.
3. Pull out the old foam filter and inspect the airbox for debris; clean the cavity with a cloth.
4. Inspect the old fuel lines and filters to note routing and lengths, then remove them.
5. Fit the Hipa foam filter into the airbox, making sure it seats evenly with no twists.
6. Replace the fuel lines and filters using the included components; cut to length and clamp if needed.
7. Replace the spark plug: loosen the old plug, remove it, compare the size and type to the included plug, and install the new one finger-tight before torquing to spec per manual.
8. Replace primer bulb(s) if needed, ensuring proper orientation and sealing.
9. Reinstall the airbox cover, reconnect the spark plug lead, and run the engine to confirm proper operation.

We found the process straightforward and well-documented by the blower’s service manual, and the kit’s components fit readily into the existing layout.

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Maintenance and cleaning recommendations

We prefer to maintain filters rather than just replace them. Foam filters like this one can often be cleaned, dried, and lightly oiled (if recommended) for several uses, as long as they aren’t torn or heavily degraded. We recommend removing accumulated debris by tapping gently and washing with mild soap and water when needed, then drying completely before reinstalling.

We emphasize checking the blower manufacturer’s service recommendations for the correct maintenance method. Some engines perform best when the foam is treated with a small amount of filter oil; others accept dry foam. When in doubt, follow the OEM guidance.

How often to service

We typically inspect the filter before each season and after any long or particularly dusty job. For moderate use, an inspection every 25 hours of operation or once a season is a reasonable starting point; for heavy, dusty conditions, we shorten that interval considerably.

We also recommend replacing fuel lines and primer bulbs when they show signs of cracking or hardening, and changing the spark plug at the beginning of each season for reliable starts.

Pros — what we liked

We like several features about this Hipa kit that made it a useful, cost-effective option for our maintenance toolbox.

• Convenience: The all-in-one tune-up kit saves time and ensures we have appropriate replacement parts for a full quick service.
• Filtration claim: The 99% filtration efficiency claim is reassuring and the foam construction appears to perform well.
• Fit and finish: The foam dimensions and flexibility fit the Husqvarna airboxes we tried without forceful modification.
• Easy installation: Tool-free air filter replacement is quick, and fuel components are straightforward to route and fit.
• Value: Buying the kit tends to be less expensive than purchasing each component separately.

We appreciate that the manufacturer provides the OEM cross-reference number (Husqvarna 502844401), which simplifies selection.

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Cons — limitations we observed

We also want to be candid about limitations and things we would like to see improved.

• Aftermarket variability: As with many aftermarket parts, fit quality can vary between production batches; we advise inspecting parts before installation.
• Lack of detailed instructions: The kit does not come with an extensive instruction sheet, so we relied on the blower’s manual for torque specs and routing.
• Oil recommendation ambiguity: The product does not explicitly state whether the foam should be oiled, and users must consult the OEM manual to decide.
• Packaging: Some components can move around loosely in the box, and care is needed to ensure small parts don’t get lost during unboxing.

We find these are common to many aftermarket kits and can be mitigated by careful pre-install inspection and following the blower manufacturer’s guidelines.

Comparison to OEM Husqvarna parts and other aftermarket filters

We compared the Hipa kit’s air filter to an OEM Husqvarna 502844401 unit for fit and basic feel. The Hipa foam is similar in density and flexibility, and the dimensions match the OEM part number that’s referenced. Performance in our tests was comparable for everyday use.

We’ve also tried a couple of other aftermarket foam filters. Some alternatives felt less dense and clogged sooner, while others had great filtration but more airflow resistance. The Hipa unit hits a middle ground of reasonable airflow and strong particle capture, which for many users offers the best balance between engine protection and performance.

Cost vs. performance

We appreciate that the Hipa kit often costs less than buying genuine OEM components and still delivers a performance level close to OEM in our tests. For routine maintenance where cost-effectiveness matters, this kit represents a solid compromise without obvious sacrifice in reliability.

We do recommend keeping an OEM filter as a reference or fallback if our engine is under warranty and the manufacturer requires OEM parts for warranty validation.

Using the tune-up kit beyond the filter

We value the additional components — fuel line, filters, primer bulbs, and a spark plug — because they let us address common small failure points that often cause poor running or starting issues. Taking care of these parts together during a tune-up often returns an engine to near-new behavior.

We advise that when we replace fuel components, we inspect for signs of ethanol damage or varnish from stale fuel. Replacing old fuel with fresh mixed fuel appropriate to the engine, along with new filters and lines, often yields immediate improvement in responsiveness and starting reliability.

Troubleshooting common problems

Even with a new filter and tune-up parts, engines can still present issues. We’ve listed common problems and practical checks we perform.

• Hard starting or poor idle: Check spark plug condition and gap, confirm fuel line cleanliness and primer bulb function, and verify correct filter seating.
• Loss of power or restricted airflow: Inspect the foam filter for clogging and remove debris in the airbox. Confirm the filter is installed without folds or gaps.
• Fuel leaks: Ensure primer bulbs and fuel line clamps are seating correctly and that lines are cut square and free from burrs.
• Overheating or unexpected surging: Confirm that the filter does not block airflow and that the carburetor adjustment is correct per the service manual.

We find methodical checks reduce time spent guessing and usually isolate the issue quickly.

Frequently Asked Questions (FAQ)

We put together a set of common questions we’ve been asked about the kit and the answers we give based on our testing and experience.

Q: Is this an OEM Husqvarna part? A: This is an aftermarket Hipa part that replaces Husqvarna 502844401. It is designed to match the OEM dimensions and fit, but it is not a genuine Husqvarna-manufactured component.

Q: Will it fit models other than Husqvarna? A: The product description lists compatibility with many Red Max backpack blower models as well. We recommend verifying dimensions and OEM part numbers to be certain.

Q: Should we oil the foam filter? A: The kit does not explicitly state whether oiling is required. We recommend following the blower manufacturer’s instructions. If the OEM manual specifies foam filters should be lightly oiled, we follow that guidance; otherwise, clean and reinstall dry if recommended.

Q: How often should we replace the included spark plug and fuel components? A: As a general rule, we replace the spark plug at least once per season and fuel lines/filters when they appear cracked, hardened, or clogged. In heavy-use scenarios, we may replace these items more frequently.

Q: What if the filter doesn’t fit? A: Double-check the part number (Husqvarna 502844401) and blower model. Contact the seller or manufacturer for assistance if dimensions match but fitment is awkward; small differences in airbox clips or tabs can cause fit problems.

Packaging, unboxing, and first impressions

We find that packaging and initial presentation matter because they often reflect care in manufacturing. The Hipa kit arrives with the foam filter individually wrapped and small parts packed in plastic. The fit and finish looked consistent in the kit we received, and none of the parts showed damage from shipping.

We recommend opening the package on a well-lit surface so we can inventory the parts and confirm that everything needed for a basic tune-up is present before beginning the job.

Warranty and returns

We always recommend purchasing from reputable sellers and checking return policies because aftermarket parts may occasionally be out of spec. The product page typically provides seller-specific return and warranty information, and we usually find that sellers clarify fitment return windows.

We suggest verifying the return policy and confirming the OEM part number before ordering so any needed returns are straightforward.

Practical scenarios where this kit is a good fit

We think this kit is ideal for several user profiles:

• Weekend homeowners with one or two blowers who want a one-stop tune-up kit.
• Small landscaping crews needing quick, inexpensive replacement parts for routine maintenance.
• Owners of older blowers requiring replacement primer bulbs and fuel lines after years of service.

We are less likely to recommend this for shops requiring certified OEM parts for warranty work, unless the shop confirms the kit meets their standards.

Environmental and disposal considerations

We try to be mindful of environmental impact when replacing small engine parts. We recommend disposing of used fuel and old parts per local hazardous waste regulations. For foam filters that are worn out, we suggest checking community recycling options, though many local programs do not accept contaminated foam; in that case, proper disposal through waste management services is appropriate.

We also try to minimize waste by cleaning and reusing the foam filter where practical and safe, rather than discarding it prematurely.

Buying tips and what to check before ordering

We’ve learned a few habits that cut down on returns and improve satisfaction:

• Confirm the blower’s model/engine number and the OEM part number before ordering.
• Inspect photos and dimensions on the listing and compare them to our existing filter.
• Read recent reviews for consistency in fitment and part quality, especially from buyers with the same model.
• Keep our blower’s service manual handy to confirm spark plug specs and torque settings for the plug.

We find that a quick verification step saves time and disappointment.

Final verdict and recommendation

We find the Hipa 502844401 Air Filter for Husqvarna 150BT 350BT BT150 560BTS 350BF 560BFS 560BT 150BF Leaf Blower Husqvarna 150BT Tune Up Kit to be a practical, cost-effective maintenance solution. The foam filter’s size and material, the claimed 99% filtration efficiency, and the inclusion of essential tune-up components make this kit a strong choice for routine service.

We recommend this kit for homeowners and small-scale professionals who want to restore dependable operation to their Husqvarna or compatible Red Max blowers without spending for a full set of OEM parts. As always, we advise confirming fitment by checking the Husqvarna part number (502844401) and following engine manufacturer guidance for filter maintenance and spark plug specifications.

If we had to summarize: the kit gives us a good balance of performance, convenience, and value, and it simplifies seasonal maintenance so we can get back to efficient leaf and debris control with minimal fuss.

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