Description
TL18L100-1108 Timing Pulley, 18 Teeth, L Pitch
The TL18L100-1108 is a 18-tooth L (0.375 in trapezoidal) timing pulley. It mounts with an industry-standard bushing, sold separately, machined from steel with a black oxide finish, built for 1 in wide belts. Machined from solid stock, never sintered or powdered metal.
$50 minimum order on drive components. Mix and match any pulleys, bushings, sheaves, sprockets, and accessories in your cart to reach the $50 minimum. Questions? Call (888) 203-2358.
Specifications

Dimension key for this construction type. Values for this part number are in the table below.
| Specification | Value |
|---|---|
| Part Number | TL18L100-1108 |
| Teeth | 18 |
| Pitch | L (0.375 in trapezoidal) |
| For Belt Width | 1 in |
| Pitch Diameter | 2.1486 in |
| Outside Diameter | 2.1186 in |
| Flange Diameter | 2.375 in |
| Bore | Accepts 1108 bushing (not included) |
| Face Width | 1.25 in |
| Overall Length | 1.25 in |
| Construction | Taper Lock Hub |
| Flange Material | Steel |
| Material | Steel (no sintered or powdered metal) |
| Finish | Black Oxide |
| Weight | 0.617 lb |
| Country of Origin | United States. ISO 9001:2015 certified manufacturing. |
Applications
- Instrumentation, office equipment, and precision positioning drives
- 3D printers and desktop CNC equipment
- Robotics, medical devices, and packaging machinery
Belt Compatibility
The TL18L100-1108 runs L (0.375 in trapezoidal) belts in 1 in width. The pitch is standardized, so belt and pulley brands can be mixed.
Cross Reference
The TL18L100-1108 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Dodge® | TL18L100-1108 |
| Gates® | TL18L100 |
| Mitsuboshi | TL18L100-1108 |
| Optibelt | TB 18-L-100 |
| Masterdrive | P18L100-1108 |
| Ametric | 18 L 100 TL.1108 |
| Powerdrive | TL18L100-1108 |
Always verify dimensions and bore size before substituting part numbers across manufacturers.
Buying in bulk? Save on volume.
Multi-unit and OEM quantities qualify for volume discounts. Call or email for a quantity quote.
Frequently Asked Questions
What belts fit the TL18L100-1108 pulley?
L (0.375 in trapezoidal) timing belts in 1 in width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.
Does the TL18L100-1108 replace the Dodge TL18L100-1108?
Yes. Published interchange data crosses the TL18L100-1108 directly to the Dodge TL18L100-1108, as well as Gates TL18L100, Mitsuboshi TL18L100-1108, Optibelt TB 18-L-100. Verify dimensions and bore before ordering.
Does the TL18L100-1108 ship from Houston?
Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.
Need a quote on TL18L100-1108?
Houston warehouse, same-day shipping on stock items.
Call (888) 203-2358All third-party part numbers and trademarks referenced are the property of their respective owners. References are for compatibility identification only and do not imply affiliation or endorsement.
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