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Craftsman .065 Spools: Genuine vs Compatible Packs

By Hazel Davenport 12 October, 2026 10 min read

Craftsman .065 Spools: Genuine vs Compatible Packs

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Craftsman has long maintained a prominent reputation in outdoor power equipment, providing accessible cordless and corded string trimmers designed for residential upkeep and on-the-go property maintenance. For mobile landscapers and property caretakers who transport tools between sites, reliable string trimmer line is an essential consumable that directly impacts runtime and efficiency. Running out of line mid-job or experiencing spool jams from unevenly wound line halts work instantly, making factory-wound and precision-molded replacements a cornerstone of seamless yard care. Standard Craftsman weed eater string configurations primarily utilize a slender 0.065-inch diameter line, engineered to balance cutting performance with minimal motor drag across their WEEDWACKER and legacy trimmer lineups.

While each option in this guide supplies line compatible with Craftsman string trimmers, they differ substantially in pack quantities, material formulations such as glass-fiber reinforced nylon versus standard polyamide, included maintenance hardware like caps and springs, and model compatibility spanning modern auto-feed heads to legacy dual-line platforms.

The line-up at a glance

Craftsman Trimmer Spools Compared

Model Line Diameter and Length Included Hardware Compatible Trimmer Models
CRAFTSMAN Genuine OEM String Trimmer Line 0.065 inch, 30 feet per spool 3 pre-wound spools CMCST900, CMESTA900, CMESTE920, CMCST98020
CMZST0653 String Trimmer Line Spool 0.065″ 0.065 inch, 30 feet per spool 6 spools, 2 caps, 2 springs CMCST900, CMCST900B, CMCST900D1, CMESTA900, CMESTE920, CMZST98020, CMEST913, CMCST915
YWTESCH 11 Pcs CMZST0653 String Trimmer 0.065 inch, length not listed 8 spools, replacement caps, springs CMCST900, CMCST900B, CMCST900D1, CMESTA900, CMESTE920, CMZST98020, CMEST913, CMCST915
CMZST065 CMZST0653 String Trimmer Spool Line 0.065 inch, 30 feet per spool 3 pre-wound spools CMCST900, CMCST900D1, CMEST900, CMESTA900, CMESTE920, CMZST98020, CMCST915, CMEST913
CMZST065 Trimmer String 0.065″ 30ft fit 0.065 inch, 30 feet per spool 4 spools, 1 cap, 1 spring CMCST900, CMESTA900, CMESTE920, CMCST98020, CMEST913, CMCST915
71-99006 Weed Eater Spools Compatible 0.065 inch dual line, length not listed Not listed 71-30378, 71-30383, 71-98981, 71-98982, 71-99006

No. 1 of 6 · Craftsman

CRAFTSMAN Genuine OEM String Trimmer Line for Factory Reliability

8.2/10 Our score

CRAFTSMAN Genuine OEM String Trimmer Line
CRAFTSMAN Genuine OEM String Trimmer Line

Best for: Owners wanting guaranteed genuine factory parts

What the listing says

  • Three pack – stock up and save an extra trip to the store with a three pack of .
  • Made for string trimmers – maintain your string trimmers.
  • Quality CRAFTSMAN construction – purchase with confidence and get the job done
  • Smooth and reliable – get reliable functionality and smooth performance with factory wound spool
  • For use with – CMCST900, CMESTA900, CMESTE920, and CMCST98020 series CRAFTSMAN WEEDWACKER string trimmers
  • 2 Year Limited Warranty

Pros

  • Factory wound spool
  • Includes 2 year limited warranty
  • Authentic CRAFTSMAN OEM construction

Cons

  • No extra caps or springs included
  • Limited to modern WEEDWACKER series

The CRAFTSMAN Genuine OEM String Trimmer Line is the official factory replacement pack produced directly under model number CMZST0653. Sold as a craftsman .065 spool 3 pack, each individual spool comes pre-wound with 30 feet of factory-calibrated 0.065-inch line. The total package weighs 4.8 ounces and measures 2.4 by 2.5 by 3.31 inches, creating an exceptionally compact profile that packs effortlessly into mobile field toolboxes or utility totes.

Engineered strictly to original equipment standards, this factory-wound craftsman cmzst0653 configuration delivers reliable functionality and smooth auto-feeding on Craftsman WEEDWACKER models, including the CMCST900, CMESTA900, CMESTE920, and CMCST98020 series. Because the spool is wound under factory tension, it resists the internal binding and cross-layer wedging that often plague hand-wound alternatives. The manufacturer also supports this package with an official 2-year limited warranty, offering peace of mind that aftermarket options cannot match. When packing equipment alongside a craftsman socket organizer in a mobile maintenance vehicle, having genuine factory spools ensures predictable operation on every stop.

This OEM pack is the premier choice for property owners who demand authentic brand specifications and factory warranty coverage for their compatible V20 and corded WEEDWACKER trimmers. However, because it contains only three spools without supplementary wear items like replacement caps or tension springs, it yields to aftermarket utility bundles when trimmer hardware needs rebuilding.

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No. 2 of 6 · Denkuhin

CMZST0653 String Trimmer Line Spool 0.065″ for Extended Maintenance Kits

9.8/10 Our score

CMZST0653 String Trimmer Line Spool 0.065"
CMZST0653 String Trimmer Line Spool 0.065″

Best for: Users needing complete hardware renewal kits

What the listing says

  • Compatibility with Crafts-manb String Trimmers: This replacement spool kit fits Crafts-manb models including CMCST900, CMCST900B, CMCST900D1,…
  • Complete 6+2+2 Value Kit Includes 6 pre-wound trimmer line spools (CMZST065), 2 replacement spool caps (CMZST120SC), and 2 springs.
  • Pre-Wound for Easy Replacement: Each spool comes pre-wound with 30 feet of 0.065 inch diameter line.
  • Durable Glass-Fiber Reinforced Nylon Made from PA6 nylon with 30% glass fiber reinforcement.
  • Precision Fit for Auto-Feed System: Spool size and structural shape are precisely controlled to match the…
  • Reduces Downtime & Improves Efficiency Pre-wound spools eliminate the tedious work of hand-winding line.

Pros

  • Glass fiber reinforced PA6 nylon
  • Over 100 lbs tensile strength
  • Includes two caps and two springs

Cons

  • Aftermarket brand rather than OEM

The CMZST0653 String Trimmer Line Spool 0.065″ is an all-in-one aftermarket replenishment set built by Denkuhin to fit Craftsman trimmers. Designed around a comprehensive 6+2+2 structure, this kit supplies six pre-wound line spools, two CMZST120SC replacement spool caps, and two replacement springs. Each spool holds 30 feet of 0.065-inch line, yielding a combined 180 feet of trimming material in a package weighing just 1.6 ounces.

Instead of standard monofilament, this manufacturer utilizes PA6 nylon reinforced with 30% glass fiber, providing more than 100 pounds of tensile strength along with enhanced abrasion and heat resistance. The structural dimensions of each craftsman cmzst065 spool match the auto-feed mechanisms of Craftsman models CMCST900, CMCST900B, CMCST900D1, CMESTA900, CMESTE920, CMZST98020, CMEST913, and CMCST915. Tool-free installation allows field workers to snap a fresh spool into place immediately, while the non-slip cap profile keeps the head locked securely during high rotational speeds.

This kit best suits mobile groundskeepers and remote property managers who require spare mechanical hardware alongside multiple spool refills. With two caps and two springs included, it protects operators from work stoppages caused by cracked trimmer head covers. It yields to simpler three-packs for light users who already own intact trimmer head hardware.

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No. 3 of 6 · Ywtesch

YWTESCH 11 Pcs CMZST0653 String Trimmer for Bulk Property Care

8.0/10 Our score

YWTESCH 11 Pcs CMZST0653 String Trimmer
YWTESCH 11 Pcs CMZST0653 String Trimmer

Best for: Caretakers managing large boundary properties

What the listing says

  • WORK WITH CRAFTSMAN WEED EATER 8 Pcs YWTESCH weedeater string fit for Craftsman weed eater models : CMCST900, CMCST900B, CMCST900D1, CMESTA900, CMESTE920, CMZST98020, CMEST913, CMCST915.
  • CRAZY STRONG TRIMMER STRING YWTESCH weed eater string for Craftsman made of PA6(Nylon) & 30% GF (Glass Fiber).
  • COMPLETELY APPLICABLE YWTESCH weedeater line spool for craftsman precise control of spool size and structural shape makes it…
  • PRELOADED STRING TRIMMER SPOOLS Not having to spool string yourself.
  • PROFESSIONAL AFTER-SALES SERVICE YWTESCH is a professional weed whacker string spool & cap supplier, so we have more reliable after-sales service.

Pros

  • Includes eight preloaded line spools
  • Over 100 lbs tensile strength
  • Non-slip replacement cap design

Cons

  • Heavier 1.12 pound package weight
  • Line length per spool not listed

The YWTESCH 11 Pcs CMZST0653 String Trimmer set, cataloged under model number B1, provides an expansive collection of trimmer consumables designed to service Craftsman weed wackers. The 11-piece package includes eight preloaded line spools alongside replacement caps and springs, creating an extended reserve for multi-acre maintenance. The entire bundle measures 2.6 by 1.2 by 2.6 inches and weighs 1.12 pounds.

Every spool in this kit features heavy-duty line crafted from PA6 nylon reinforced with 30% glass fiber, maintaining performance stability above 100 pounds of tensile load without snapping prematurely against obstacles. The spool body is molded to match the automatic line-feeding systems on Craftsman trimmers, including models CMCST900, CMCST900B, CMCST900D1, CMESTA900, CMESTE920, CMZST98020, CMEST913, and CMCST915. The matching non-slip caps replicate the CMZST120SC design to keep the line securely seated within the trimmer hub during high-speed rotation.

This high-quantity bundle is suited for estate caretakers and travel crews who want to eliminate hand-winding string entirely across an entire cutting season. It ensures continuous trimming without frequent ordering cycles, though its 1.12-pound weight makes it slightly bulkier to store than standard three-spool alternatives.

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No. 4 of 6 · Cilivo

CMZST065 CMZST0653 String Trimmer Spool Line for Twisted Aerodynamic Cutting

8.6/10 Our score

CMZST065 CMZST0653 String Trimmer Spool Line
CMZST065 CMZST0653 String Trimmer Spool Line

Best for: Cordless users wanting reduced line drag

What the listing says

  • Compatible with Craftsman string trimmer models: CMCST900, CMCST900D1, CMEST900, CMESTA900, CMESTE920, CMZST98020, CMCST915,CMEST913 Series Craftsman weedwacker…
  • Spool Model CMZST0653 / CMZST065 ,Cap Cover Model: CMZST120SC
  • Cordless grass trimmer spool line diameter 0.065 inch to fits line hole perfectly.
  • Note 1. It is necessary to wear goggles and long pants to avoid injury from spilling lines;2.Turn…
  • Quality Assurance If you have any quality problems, please feel free to contact us, we will provide appropriate solutions within 24 hours.

Pros

  • Twisted aerodynamic line profile
  • Durable polyamide nylon thread
  • Lightweight 5 ounce total pack

Cons

  • No replacement cap or spring included

The CMZST065 CMZST0653 String Trimmer Spool Line package, manufactured by Cilivo under model CZ-CMZST065-3P, is a specialized 3-pack replacement designed for Craftsman weedwacker units. Each spool contains 30 feet of 0.065-inch diameter line wound around a high-quality ABS spool body. The entire three-piece assortment weighs 5 ounces and measures 3 by 1 by 0.5 inches.

The defining technical attribute of this craftsman trimmer line 0.065 option is its twisted cord profile. Built from durable polyamide nylon, the twisted design harnesses centrifugal force and improved aerodynamics to reduce air drag while spinning, which helps conserve battery life on cordless trimmers. It fits Craftsman string trimmer models CMCST900, CMCST900D1, CMEST900, CMESTA900, CMESTE920, CMZST98020, CMCST915, and CMEST913. The manufacturer stresses essential safety precautions, noting that operators must wear goggles and long pants to avoid injury from debris and should turn off the power unit before swapping spools. Stashing this set alongside essentials like a craftsman deep socket set in a mobile workshop keeps battery-conscious yard gear ready for action.

This 3-pack is ideal for battery-conscious operators who want the drag-reducing benefits of twisted aerodynamic line without carrying excess hardware. However, because it includes no replacement caps or springs, it gives way to broader kits if your trimmer cap is worn out.

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No. 5 of 6 · Kaberalty

CMZST065 Trimmer String 0.065″ 30ft fit for Light Grass Maintenance

8.4/10 Our score

Kaberalty CMZST065 Trimmer String 0.065" 30ft fit for Craftsman CMCST900

Best for: Homeowners maintaining young grass borders

What the listing says

  • Compatible with CMZT0653 Trimmer Spool Compatible with Craftsman CMCST900 CMESTA900 CMESTE920 CMCST98020 CMEST913 CMCST915 string trimmer
  • Spools Models CMZST065 & CMZST0653. Replacement Cap Model:CMZST120SC
  • Stronger Toughness & Premium Material 0.065" 30ft pre-wound spool line made of high-quality ABS spool & sturdy polyamide nylon thread, flexible…
  • Use Safety Wear eye protection and long pants when using this product to avoid injury caused by spilled lines.
  • Package You will get 4 Pack CMZST0653 Trimmer Spool+1 Pack CMZST120SC Cap+1 Pack Trimmer Spring.Pls contact us…

Pros

  • 110LB tensile strength rating
  • Includes replacement cap and spring
  • 30 feet line per spool

Cons

  • Explicitly not suitable for strong weeds

The CMZST065 Trimmer String 0.065″ 30ft fit by Kaberalty is a 4+1+1 replacement bundle providing four pre-wound spools, one CMZST120SC replacement cap, and one trimmer spring. Sized for fast tool-free installation, the package weighs 8 ounces with product dimensions listed at 0.5 by 0.5 by 0.5 inches.

Each spool is loaded with 30 feet of 0.065-inch polyamide nylon line wound onto an ABS spool frame, rated for 110 pounds of tensile strength to withstand rapid centrifugal forces. The listing specifies that this spool for craftsman cmcst900 trimmers also fits models CMESTA900, CMESTE920, CMCST98020, CMEST913, and CMCST915. The manufacturer clearly notes operational limits: this line is engineered specifically for young grasses, requiring operators to step up to bladed attachments when facing dense, woody weeds. Protective eyewear and long pants are advised during operation.

This package is an excellent match for suburban homeowners and mobile workers maintaining manicured lawns who want a spare cap and spring on reserve alongside four fresh spools. It yields to reinforced glass-fiber line or heavy-duty cutting heads when dense overgrowth is present.

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No. 6 of 6 · Eyoloty

71-99006 Weed Eater Spools Compatible for Legacy Dual Line Trimmers

8.2/10 Our score

71-99006 Weed Eater Spools Compatible with Craftsman 71-30378 71-30383 71-98981 71-98982 0.065 inch Dual Line Auto Feed Replacement Spool

Best for: Owners of legacy dual-line Craftsman trimmers

What the listing says

  • For use with Craftsman string trimmers 71-30378, 71-30383, 71-98981, 71-98982,71-99006
  • 0.065" line diameter,Easy, tool-free installation for quick replacement
  • Auto Feed System replacement spool eliminates time spent hand-winding string trimmers.
  • Solid and durable, long service life.Easy to install and reliable to use.
  • If you have any problem of this goods,pls look through the description or contact us at first time.

Pros

  • Dual line auto feed design
  • Tool-free replacement process
  • Restores older Craftsman trimmer models

Cons

  • Line length and spool count not listed
  • Incompatible with modern CMCST900 series

The 71-99006 Weed Eater Spools Compatible from Eyoloty addresses a completely different generation of Craftsman equipment. While modern cordless trimmers use single-line spools, this replacement is designed specifically for dual-line auto-feed systems found on legacy Craftsman models. The listing does not specify exact line length, package dimensions, or total item weight.

This dual-line replacement uses a 0.065-inch line diameter to deliver clean cutting performance across older Craftsman string trimmers. It is compatible with models 71-30378, 71-30383, 71-98981, 71-98982, and replaces the craftsman 71-99006 spool part number. It features solid construction engineered for tool-free installation, allowing users to refresh legacy equipment without the frustration of manually winding two independent strands onto an empty core.

This product is exclusively intended for owners of vintage or legacy dual-line Craftsman trimmers. Because its mechanical layout differs entirely from the modern CMZST065 housing, it will not fit V20 or modern corded WEEDWACKER models like the CMCST900.

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Before you choose

How to Choose the Right Craftsman Trimmer Spools

Selecting the correct spool begins with matching the exact model number of your trimmer against the spool housing. Modern Craftsman battery-powered and corded units, including the CMCST900, CMESTA900, CMESTE920, and CMCST98020 series, accept the single-line CMZST065 format. Installing a vintage dual-line spool like the 71-99006 on these newer models is physically impossible due to core diameter and feed-eye differences. Always check the model stamped on your trimmer shaft before purchasing replacement line.

Another major decision is choosing between genuine OEM construction and aftermarket compatibility bundles. The CRAFTSMAN Genuine OEM String Trimmer Line offers factory-wound precision and an official 2-year warranty, making it the safest pick for strict factory compliance. On the other hand, aftermarket packages like the Denkuhin 6+2+2 kit, the YWTESCH 11-piece set, and the Kaberalty 4+1+1 kit provide extra CMZST120SC caps and replacement springs, which are invaluable when working away from home where lost or damaged parts could halt a job.

Material construction and line geometry also influence trimming performance. While standard line uses polyamide nylon, aftermarket options like Denkuhin and YWTESCH blend PA6 nylon with 30% glass fiber to achieve over 100 pounds of tensile strength. Alternatively, the Cilivo CZ-CMZST065-3P employs a twisted line profile to lower aerodynamic drag, helping preserve battery life on cordless V20 trimmers. For light trimming on manicured turf, standard nylon is sufficient, but tougher borders benefit from reinforced or aerodynamic line styles.

Finally, consider packing weight and travel requirements when selecting pack size. A 3-pack or 4-pack of pre-wound spools weighs between 4.8 and 8 ounces, sliding easily into glove compartments or compact travel toolboxes. Larger bulk kits with 8 spools deliver maximum autonomy for multi-day maintenance trips, but add extra bulk and weight to your gear load.

Questions people ask

FAQ

Which spool fits my Craftsman trimmer?

The correct spool depends on your trimmer generation. Modern Craftsman WEEDWACKER models, such as the CMCST900, CMESTA900, CMESTE920, and CMCST98020, use 0.065-inch single-line spools under part numbers CMZST065 or CMZST0653. Older Craftsman models, such as 71-30378, 71-30383, 71-98981, and 71-98982, require the 71-99006 dual-line spool. Review the model label on your tool shaft to confirm compatibility before purchasing.

What is the difference between genuine Craftsman CMZST0653 and aftermarket replacements?

Genuine Craftsman CMZST0653 spools are factory-wound by the original equipment manufacturer and include an official 2-year limited warranty. Aftermarket options, such as those from Denkuhin, Cilivo, and YWTESCH, often supply additional replacement caps (model CMZST120SC) and springs, or incorporate alternative materials like glass-fiber reinforced nylon or twisted line profiles.

Can 0.065 trimmer line cut through thick brush?

A 0.065-inch trimmer line is engineered for light to medium residential trimming, such as lawn edging and cutting young grass. Manufacturer listings specifically note that 0.065 line is not intended for thick, woody brush or heavy weeds. Cutting dense vegetation with 0.065 line will cause rapid line wear, frequent feeding, and potential line breakage.

Why do some replacement kits include caps and springs?

Trimmer head caps and internal springs are subjected to continuous friction and vibration against soil, curbs, and rocks. Over time, plastic tabs on the cap can snap or wear down, causing the cap and spool to fly off during operation. Bundles that include replacement CMZST120SC caps and springs allow you to rebuild worn trimmer head hardware on-site.

How do pre-wound spools prevent trimmer head jamming?

Pre-wound spools are wound under controlled mechanical tension at the factory, ensuring that the 30 feet of line lays in flat, parallel rows. When lines are wound by hand, overlapping coils can wedge beneath each other under tension, preventing the automatic feed mechanism from releasing fresh line when the trimmer spins.

Prices, specifications and the feature lines above are read from the product listing and can change without notice. Scores are out of 10, based on listed specifications and buyer feedback; nothing on this page is written from handling the product.

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