SKU: 39754852034

C3-EL43C Carburetor Tune-Up Kit - For Husqvarna 2013 K750 K760 Cutoff Saws 510181202 Air Filter Fuel Line Spark Plug

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Description

C3-EL43C Carburetor Tune-Up Kit - For Husqvarna 2013 K750 K760 Cutoff Saws 510181202 Air Filter Fuel Line Spark PlugC3 EL43C Carburetor Tune Up Kit Key Features Complete All in One Maintenance Solution: Includes a precision calibrated carburetor, high efficiency air filter, fuel line, fuel filter, and spark plug, providing everything needed for a full engine refresh in one package. Optimized Fuel Air Mixing: The C3 EL43C carburetor is engineered to deliver a precise fuel mixture, ensuring the high torque performance required for heavy duty concrete and masonry

C3-EL43C Carburetor Tune-Up Kit

Key Features

  • Complete All-in-One Maintenance Solution: Includes a precision-calibrated carburetor, high-efficiency air filter, fuel line, fuel filter, and spark plug, providing everything needed for a full engine refresh in one package.
  • Optimized Fuel-Air Mixing: The C3-EL43C carburetor is engineered to deliver a precise fuel mixture, ensuring the high-torque performance required for heavy-duty concrete and masonry cutting.
  • Enhanced Filtration Protection: Features a high-capacity pleated air filter (578243401) designed to trap ultra-fine concrete dust and debris, significantly extending the life of the engine's cylinder and piston.
  • Ethanol-Resistant Components: The fuel lines and internal carburetor gaskets are manufactured from high-grade polymers that resist swelling and cracking when exposed to modern ethanol-blended fuels.
  • Reliable Ignition Spark: Includes a premium-grade spark plug with a heat range specifically matched for the high-operating temperatures of Husqvarna cutoff saws, ensuring consistent starts and smooth idling.

Replaces / Cross-Reference Part Numbers

  • Carburetor: 510 18 12-02, 510181202, Zama C3-EL43C, C3-EL53.
  • Air Filter: 578 24 34-01, 578243401, 544 18 16-02, 544181602.
  • Spark Plug: NGK BPMR7A, Champion RCJ6Y.

Compatibility & Fitment

This tune-up kit is specifically designed for Husqvarna’s professional-grade power cutters produced after 2013. Key compatible models include:

  • Husqvarna K750: Fits 2013 and newer models (verify the carburetor style).
  • Husqvarna K760: Direct fit for the standard K760 and K760 II models.
  • Husqvarna K770: Compatible with the newest generation K770 cutoff saws.
  • Zama Platforms: Replaces Zama C3-EL43C and C3-EL53 series carburetors.
  • Note: Please ensure your saw utilizes the external primer bulb system and the pleated square air filter before ordering, as older legacy models may use a foam-only filter system.

When to Replace

  • Saw Won't Start or Hard Starting: The most common symptom; internal carburetor passages are clogged with dust or "varnished" fuel from the previous season.
  • Engine "Bogs Down" Under Load: The saw runs at idle but loses power or dies as soon as the blade hits the concrete, indicating a restricted high-speed fuel circuit.
  • Erratic Idle (Surging): The engine speed fluctuates or "hunts" at idle, often caused by an air leak in the fuel line or a dirty low-speed jet.
  • Visible Fuel Leaks: Gasoline is dripping from the air filter housing or the fuel lines have become brittle and cracked due to age.
  • Poor Fuel Economy/Black Smoke: The carburetor is running too "rich," wasting fuel and quickly fouling the spark plug with carbon deposits.

Installation Tips

  • Safety First: Ensure the saw is completely cool. CRITICAL: Work in a well-ventilated area and drain all remaining fuel from the tank before disconnecting any lines.
  • Dust Control: PRO TIP: Before removing the old carburetor, use compressed air to blow off the concrete dust from the exterior of the saw. You do not want dust entering the intake manifold during the swap.
  • Line Routing: Take a photo of the fuel and pulse line routing before removal. If the "In" and "Return" lines are swapped, the primer bulb will not function and the saw will not start.
  • Filter Pre-Check: Ensure the new air filter is seated perfectly in the housing. Even a small gap will allow concrete dust to bypass the filter and cause catastrophic engine failure within minutes.
  • Fine-Tuning: Most carburetors come pre-set. However, if the saw hesitates on acceleration, you may need a specialized splined tool to adjust the "H" (High) and "L" (Low) needles by 1/8th turn to match your local altitude and fuel type.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 39754852034

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Brenda W
Grantham, US
★★★★★ 3
Great idea but didn't hold up!
Size: Large
My dog and I really enjoyed this as a tug toy to use where it kept my hands away from accidental nips. When we initially got it we let her play solo with it after our tug session and I noticed that she left little teeth puncture holes so we packed it away for awhile and exclusively used the other new toy we bought for her. After a few weeks we took this back out and, again, we loved it and this time I allowed her to play with it longer and although it was showing a lot of the little tooth marks it seemed to be holding up so I left it out with her. None seemed deep, just seemed like impressions from her teeth. We continued to enjoy it for about a week where she'd carry it over to us for tug sessions, loop it on our feet when we were sitting watching tv and chewing on it a bit. I'd look at it when we'd tug and, like I said above, it seemed to be holding up. After one session of tug when she took it off to chew on and I was watching some tv I checked on her after awhile and she had bitten through the black side and had chewed up into small pieces about a two inch section of it. Small, little hard bits were in a pile on the floor. She didn't just bite through, it had broken into small, little pieces and hopefully I was able to get all of them and she didn't swallow any! So if you want to get this exclusively as just a tug toy and not something for your dog to chew on and plan on putting it away after I think it will be okay for that and should last but if your dog is a serious chewer like ours is you may not want them to be allowed to chew on this. Seemed like it was going to last and then suddenly I was throwing away half of it and hoping she didn't eat any of the black bits. We still have the yellow side and will take that out for some tugging but no longer for her to play with freely!! She did tremendously love running around with this thing and would flip up the loose end and hook it on her face or our feet and was so cute to watch her!! Wish it had lasted!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2013
S
Verified Purchase
Sean
Alexandria, US
★★★★★ 5
Name holds true.
Size: Large Triple
Just bought my second set of these.. first set lasted my healer almost 4 years and are still together but starting to split at the smaller seams so you can’t play as aggressive as my dog would like. We bought the second set and now she has her second wind! She loves tugging and I love knowing this toy will last a good while especially with an active dog!
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Reviewed in the United States on January 4, 2025
C
Verified Purchase
Customer Holly
Omaha, US
★★★★★ 5
My Aussie loves this bone!
This wishbone is so durable! My Australian shepherd is a big cheese and this is her go-to chew toy. It's a fave! She has spent HOURS chewing on this bone and it has held up super well. It has no smell but understand she can taste the flavor of it. I love having something she can chew on that is safe for her that she enjoys. Great value.
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Reviewed in the United States on May 10, 2026
M
Verified Purchase
Mindi P
Boise, US
★★★★★ 5
Durable, Great Value Dog Bone!
We’ve ordered several of these that have lasted for months, and my dogs are still working on them. Months. That alone feels like a small miracle. Normally, chews last about 10 minutes. Not this one. This thing is built like it trained for battle. It keeps them busy, satisfied, and focused on something that is actually meant to be chewed. And the best part? It’s way more affordable in the long run. Instead of constantly buying new toys, chews, or replacing destroyed shoes, this one just keeps going. Definitely worth every penny and then some. If you have determined chewers, this is the chew/bone you’ve been looking for.
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Reviewed in the United States on February 18, 2026
J
Verified Purchase
J.M.
Fort Morgan, US
★★★★★ 5
Dog loves this
My dog absolutely loves the shape of these and will play with it for hours. The material is pretty durable too, though he is a big lab so over time chewed away the top nubs. Eventually tossed it at that point, but got great use out of it before. No bad smell and my pet really enjoys playing with it. It’s not too big either and is really easy to take with you on trips, etc. have bought multiple!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026

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