Description
72XL037-6WA5 Timing Pulley, 72 Teeth, XL Pitch, 3/8 in Bore
The 72XL037-6WA5 is a 72-tooth XL (0.200 in trapezoidal) timing pulley with a 3/8 in finished bore, machined from aluminum with a clear anodized finish, built for 0.375 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 | 72XL037-6WA5 |
| Teeth | 72 |
| Pitch | XL (0.200 in trapezoidal) |
| For Belt Width | 0.375 in |
| Pitch Diameter | 4.5837 in |
| Outside Diameter | 4.5637 in |
| Bore | 3/8 in finished bore |
| Face Width | 0.563 in |
| Overall Length | 1 in |
| Hub Diameter | 1.5 in |
| Construction | Lightened Pulley with Standard Hub |
| Set Screws | 2 x 10-32 |
| Flange Material | Aluminum |
| Material | Aluminum (no sintered or powdered metal) |
| Finish | Clear Anodized |
| Weight | 0.78 lb |
| Country of Origin | India |
Applications
- Instrumentation, office equipment, and precision positioning drives
- 3D printers and desktop CNC equipment
- Robotics, medical devices, and packaging machinery
- Weight-sensitive drives (webbed, lightened construction)
Belt Compatibility
The 72XL037-6WA5 runs XL (0.200 in trapezoidal) belts in 0.375 in width. The pitch is standardized, so belt and pulley brands can be mixed.
Cross Reference
The 72XL037-6WA5 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Dodge® | 72XL037-MPB |
| Gates® | PB72XL037 |
| TB Woods® | 72XL037 |
| Regal Rexnord (Browning®) | 72XLB037 |
| Mitsuboshi | 72XL037-6WA5 |
| Stock Drive Products (SDP/SI) | A 6A 3-72NF03712 |
| Jason Industrial | 72XL037-5/16 |
| Neuman | 72XL037 X 3/8 6W |
| York | 72XL037-3A X 3/8 |
| Grainger | 809VC6 |
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 72XL037-6WA5 pulley?
XL (0.200 in trapezoidal) timing belts in 0.375 in width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.
Does the 72XL037-6WA5 replace the Dodge 72XL037-MPB?
Yes. Published interchange data crosses the 72XL037-6WA5 directly to the Dodge 72XL037-MPB, as well as Gates PB72XL037, TB Woods 72XL037, Regal Rexnord 72XLB037. Verify dimensions and bore before ordering.
Does the 72XL037-6WA5 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 72XL037-6WA5?
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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