Visit our site to find reviews on kobalt 40v trimmer replacement parts. We have the top best kobalt 40v trimmer replacement parts comparison 2026 and you can make an informed decision!
That’s why we’ve taken 44908 reviews from top experts and organized them according to our rankings for you.
Bestseller No. 1
VineHii KST-120X Weed Eater String Spool Compatible with Kobalt 40V Cordless String Trimmer KST 120X, KST 120X-06, Replacement Spool Refills Autofeed Dual line 20Feet 0.065" (6 Spools, 2 Cap) - 【Fit Models】:Compatible with Kobalt KST 120X /KST 120X-06 string trimmer and Kobalt 40V Cordless String Trimmer.
- 【Product parameters】Spool Models: KST 120X (Item:#651246), KST 120X-06 (Item:#506886),KST 2040-06 (Item:#1520463),Replacement Spool Line 20ft 0.065'' durable nylon pre-wound line.
- 【High quality products】:The High-quality ABS Autofeed spool & durable polyamide nylon line, flexible and long service life. Upgraded Spool line with higher durability and tensile strength.Automatic feeding using centrifugal force and aerodynamics to reduce resistance for more efficient cutting.
- 【Product include】:6 Pcs spools + 2Pcs cover cap.Total length of 6 pcs is 120 feet.Cheap and cheerful with a wider selection of sets to make your entire summer easy and enjoyable.
- 💯【Quality Assurance & Service】:We have great confidence in the quality of our products. If you encounter any after-sales issues, We will provide you with the most perfect solution within 24 hours.
Bestseller No. 2
Eyoloty KST 120X KST 120X-06 Replacement Trimmer Head Compatible with Kobalt 40-Volt Max KST 2040-06 KDLA 3040-03 Weed Eater,with 14 Pack Quickload Blades & 8 Pack 0.12" Flexible Line Parts (30 Pack) - 【Compatible Models】Compatible with Kobalt 40V max string trimmer models: KST 120X (Item:#651246), KST 120X-06 (Item:#506886),KST 2040-06 (Item:#1520463) String Trimmer.Replacement head models:29473 (Item:#506892),KDLA 3040-03 (Item:#4357213).Be sure to choose the correct replacement accessories for your lawn mower model to ensure proper installation and use.
- 【Two Options】For KST 120x trimmer Replacement Blades crafted from Polycarbonate Material for Added Sharpness, ideal for Trimming Smooth Tender Grass and Weeds; Thicker Upgrade 8-pack Pre-Wound Lines, Ideal for Trimming Tough Weeds and Edges That Regular Blades and Spools Can't Handle. With two options available, catering to different work scenarios, significantly boosting productivity.
- 【New Upgrade】We've upgraded our KST 120x-06 trimmer line to 0.12", significantly enhancing its durability and wear resistance compared to the traditional KST 120x-06 spool line, which has a diameter of 0.065". This improvement allows it to effectively withstand wear and tear while trimming lawns. When paired with our KST 120x-06 trimmer blades head, it can greatly save you time and costs.
- 【Quickload】The KST 120x trimmer replacement line/blades adopts a new locking system design, which is easy to install/replace and safe to use. During the high-speed rotation of the line, it can be firmly locked and not easy to fall off.
- 【Package Includes】Polycarbonate replacement head * 1，replacement blades * 14 pack，Pre-cut bold line * 8pack，Screw * 6 pack，Wrench * 1.If you have any installation or model problems, you can contact us, we will give you a satisfactory answer within 24 hours.
Bestseller No. 3
QUASION Weed Eater Spool Cap Cover for Kobalt KST 120X 120X-06 40V Cordless String Trimmers,Kobalt Weed Wacker Replacement Parts,2 Pack - Fits Kobalt 40V cordless string trimmer item number 506886 (model #KST 120X-06)
- Fits Kobalt 40V cordless string trimmer item number 651246 (model #KST 120X)
- 【Sturdy and Reliable】Weed eater spool cover is made of high impact quality ABS material,which has good wear resistance and stability and a longer service life
- 【Works Great】KST120X Spool cap protects the spool line and keeps it in place on your weed edger.And the cap is not easily knocked off in use
- 【Easy to Install】No installation tools required,just unscrew the old cap and snap it onto the spool wire,ready to use in seconds
Bestseller No. 5
Kudoosen KST-130X Trimmer Replacement Line Compatible for Kobalt 40-Volt String Trimmer Models KST 130X-06 and KST 130X, 17ft 0.080'', （3pack） - Compatible with Kobalt 40V string trimmer models:KST 130X and KST 130X-06
- Original Factory Part Number:#831145.Dual Line 0.08" 17ft ,Weed eater dual line,Each spool is pre-wound and you can quickly replace and use it.
- Trimmer Spool Weed eater dual line,feature provides faster and easier replacement spool functionality.
- Replacement trimmer head parts is made of high-quality ABS material, flexible and has a long service life.Spool is made of high-quality nylon material, which guarantees efficient cutting efficiency while guaranteeing durability.
- 3-pre-wound of string trimmer Line Spool.
Bestseller No. 6
PEHUAP Weed Eater Spool Cap Cover Compatible with Kobalt 120X and 120X-06 40V String Trimmer, Replacement Trimmer Line Cap for Kobalt 40-Volt Cordless Weed Wacker,Blue,2 Pack - 【Compatible Models】The weed eater string replacement spool cap cover compatible with Kobalt 40v cordless string trimmer item number 506886 (model KST 120X-06) and item number 651246 (model KST 120X)
- 【Sturdy and Durable】The string trimmer spool cap cover is made of high quality ABS material,which is sturdy and durable in daily weeding and can prevent weeds from geeting stuck inside and avoid the damage to the weed wacker
- 【Easy to Install】Each weed eater spool cover can be replaced easily in a few seconds. It is very easy to assemble and remove, just unscrew the old cap and snap the new cap into the spool line by hands, ready to use in seconds,no need other tools. Please turn off the weedwacker before installing for removing the cap cover
- 【Package Includes】2 x replacement trimmer line spool cap cover
- 【Original Blue】Weed eater spool cap is in blue, same color as the original ones, perfect weed eater head replacement parts for Kobalt 40-volt cordless weedwacker
Bestseller No. 8
VinneMOO KST-120X Replacement Trimmer Spool Line Compatible with Kobalt 40-Volt Kobalt KST 120X-06,String Trimmer Spool 20 Ft 0.065-inch, 8Pack(6 Spool + 2 Cap) - [Compatible models]:Compatible with Kobalt KST 120X/KST 120X-06 string trimmer and Kobalt 40V Cordless String Trimmer.
- [Spool Specification]:Spool Model:KST 120X/KST 120X-06.Item number 506886.Each spool is pre-wound 20 feet and 0.065'' diameter.
- [High quality products]:Spools by the CNC machine cutting and winding, automatic line change. High-quality ABS spool & durable polyamide nylon thread, flexible and long service life. Aerodynamic shape allows less drag for more efficient cuts.
- [Product set]:You can get 6*Spool and 2*Cap in this product set. You need to confirm your String Trimmer Models. If they are compatible with your device, You can place an order at any time. If you have any questions, please feel free to contact us for further assistance.
- Quality Assurance: If you have any quality problems, please feel free to contact us by email, we will solve the most perfect solution within 24 hours.
SaleBestseller No. 9
Chway 10 PCS Replacement Trimmer Spool & Cap – Compatible with Kobalt KST 120X / KST 120X-06 String Trimmer Only (Item #651246), 0.065" Dual Line, 8 Spools + 2 Caps - Exact Fit – Not for All 40V Models: Only compatible with Kobalt KST 120X and KST 120X-06 (Item #651246) cordless string trimmer. Not compatible with other 40V, 24V, or 80V models. Please check the label on your trimmer before purchase.
- High-Strength Cutting Line: Premium 0.065" diameter blue dual-line string with 110 lbs tensile strength. Each spool has 19 ft total (9.5 ft x 2 lines). Flexible and durable for smoother cutting performance. (Pack includes 8 spools + 2 caps)
- Better Cutting Performance: The indentation process is used to increase the contact area between the trimmer line and the weeds, which improves the mowing efficiency and brings a smoother trimming experience.In addition, the addition of an appropriate proportion of glass fibre to the spool significantly improves the hardness, abrasion resistance and heat resistance of the spool and cap, effectively extending the service life. This will be your right-hand man!
- Upgraded Wear-Resistant Formula: New formula improves abrasion resistance by 30%. Less line breakage, fewer replacements. Keeps you mowing longer and working more efficiently.
- Satisfaction Guaranteed: If the spool or cap doesn’t fit your trimmer, we’ll assist you with a replacement, or troubleshooting support. Our team replies within 24 hours
Bestseller No. 10
SOWL Weed Eater String Trimmer Spool Cap Head Replacement for Kobalt, Suitable for Kobalt 40V Weed Eater String Trimmer - This cap protects the spool line and keeps it in place on your trimmer. Reliable spare part available in the market. Please Make Sure That You're buying for 40V Kobalt Trimmer / for KST 120x
- High Quality & Durable Design - Looking spare parts for kobalt weed eater head replacement? No need to change whole string trimmer head. This spool cap suit most of the kobalt weed eater string trimmers.
- No tools are required to install it. Just plug in to your Kobalt weed eater. For your Kobalt weed eater string 40v model. Please check for kobalt spool models and replacement parts as well!
- Please Make Sure That You're buying for 40V Kobalt Trimmer. Suitable with using Kobalt weed eater heads, weed whacker & replacement heads. Great replacement for kobalt 40v trimmer head replacement
- Good alternative for Kobalt trimmers. Kobalt trimmer head replacement is now available with this high quality blue cap. We are one of the top manufacturer for kobalt parts, replacement heads.
With our guide, you can find the best kobalt 40v trimmer replacement parts available on the e-commerce market. We make use of Big Data and AI data to compile this list, so it is highly accurate.
The process of creating this content was challenging, but our team persevered through it to bring you the best possible results. We read user reviews and look at what buyers think about each product so that your buying experience will be satisfying.
