| Northwest Short Line 1108-4 Thrust Washers -- 2.0mm Inside Diameter, 3.0mm Outside Diameter, .010" Thickness, Bronze Meta ALL Scale | yankeedabbler.com | 7.12 USD | 7.5 USD | −5.1% |
| Northwest Short Line 481-6 Universal Driveline Couplers -- 2.4mm Primary Cups Shaft, 2.4mm Horned Ball Shaft, 3/16" Ball Diameter ALL Scale | yankeedabbler.com | 4.7 USD | 4.95 USD | −5.1% |
| Northwest Short Line 480-6 Universal Driveline Couplers -- 1/8" Primary Cups Shaft, 2.4mm Horned Ball Shaft, 3/16" Ball Diameter ALL Scale | yankeedabbler.com | 4.7 USD | 4.95 USD | −5.1% |
| Northwest Short Line 37216-4 Pointed Axle Nickel-Silver Wheelset -- 30"/88 HO Scale | yankeedabbler.com | 18.95 USD | 19.95 USD | −5% |
| Northwest Short Line 110-4 Thrust Washers -- 1/16" Inside Diameter, 3.0mm Outside Diameter, .010" Thickness, Bronze Met ALL Scale | yankeedabbler.com | 1.23 USD | 1.29 USD | −4.7% |
| NWSL Brass HOn3 Scale Ohio River & Western Parlor Business Pay Passenger Car 5 | nightwatchtrains.com | 125 USD | 125 USD | — |
| The SensiPress+ | nwsl.com | 122.95 USD | — | — |
| HO Stanton Drive, 1220, 9'0" WB, S Scale 36"/110 Wheels, S Scale 2.0mm x 1.15" Flush Axle, S Gauge (Pair) | nwsl.com | 87.95 USD | — | — |
| HO Stanton Drive, 1220, 9'0" WB, S Scale 33"/110 Wheels, S Scale 2.0mm x 1.15" Flush Axle, S Gauge (2/pkg) | nwsl.com | 87.95 USD | — | — |
| Large Scale (1:29), 40"/236, Half Axle, USA GP38, F3, NW2. Aristo RS3, FA (8/pkg) | nwsl.com | 78.95 USD | — | — |
| 1:29 Scale wheels only, USA GP38, F3, NW2. Aristo RS3, FA | nwsl.com | 69.95 USD | — | — |
| Wheel #1 (1:32) 44"/315, taper bore .199"-.230" w/recess .080": from front of wheel (12/pkg) | nwsl.com | 65.95 USD | — | — |
| Spur Gear, 48DP x 11 Teeth x 6.5mm OD x 0.121" Face x 3/32" Bore, Delrin, Hubbed (6 Gears/Package) | nwsl.com | 61.95 USD | — | — |
| CHOPPER II | sigmfg.com | 56.95 USD | — | — |
| Chopper II | evergreenscalemodels.com | 56.95 USD | — | — |
| The SensiPress+ Extended Clearance Set | nwsl.com | 52.95 USD | — | — |
| Bevel Gear, HO Bachman 3-truck Climax upgrade bevel gear (10) | nwsl.com | 52.95 USD | — | — |
| The Chopper II | nwsl.com | 49.95 USD | — | — |
| Ball-Bearing 0.5 mod 25-1 Idler Gearbox Kit - 3/16" Axle | nwsl.com | 48.95 USD | — | — |
| Ball-Bearing 0.3 mod 28-1 IDLER Gearbox kit 3/32"(2.4mm) axle | nwsl.com | 46.95 USD | — | — |
| Wheel #1 (1:32) 44"/315, taper bore .199"-.230" w/recess .080": from front of wheel (8/pkg) | nwsl.com | 43.95 USD | — | — |
| Axle, #1, half, 6mm OD .975" L with 0.8mod x 21T WG (2-lead) screw attached (Aristo) | nwsl.com | 42.95 USD | — | — |
| Spur/Worm Gear, Compound, 0.4mod x 12/25 Teeth, Brass/Delrin | nwsl.com | 41.95 USD | — | — |
| Regear Set, Division Point 'O' RDC Speedup Kit | nwsl.com | 41.95 USD | — | — |
| Regear Set, Greenbriar 'S' GP30 Speed Increase Kit | nwsl.com | 40.95 USD | — | — |
| Spur/Worm Gear, Compound, 0.4mod x 25/28 Teeth, Brass/Delrin | nwsl.com | 34.95 USD | — | — |
| Bevel Gear, HO Bachman 2-truck Climax upgrade bevel gear (6) | nwsl.com | 34.95 USD | — | — |
| Spur/Worm Gear, 0.4mod x 12/25 Teeth x 3/32" Bore, Brass/Delrin | nwsl.com | 33.95 USD | — | — |
| 3-gear replacement gear set for PSC Triplex idler gearbox | nwsl.com | 26.95 USD | — | — |
| Ram for The Sensipress+ | nwsl.com | 26.95 USD | — | — |
| Northwest Short Line 37139-4 Athearn Geared Diesel 3/32" Half-Axle Nickel-Silver Wheels -- 40"/110 Outside Frame HO Scale | yankeedabbler.com | 24.95 USD | 24.95 USD | — |
| Spur Gear, 0.4mod x 21 Teeth x 9.0mm OD x 2.5mm Bore, Assembled on 2.5mm x 6.5mm Shaft (2/pkg) | nwsl.com | 23.95 USD | — | — |
| Spur/Worm Gear, 0.75mod x 16/20 teeth Compound gear, Assembled on 4.0mm x 14.0mm Shaft, Delrin | nwsl.com | 23.95 USD | — | — |
| Spur/Worm Gear, 32DP x16/19 Teeth Compound x 7.0mm Face x 4.0mm bore, Delrin | nwsl.com | 23.95 USD | — | — |
| Worm/Worm Gear, 0.75mod x 16/20 Teeth Compound x 4.0mm Slip Bore, Delrin/Delrin | nwsl.com | 23.95 USD | — | — |
| Worm Gear, 0.4mod x 30 Teeth x 12.6mm OD x 3.0mm Face x 2.5mm Bore, Delrin | nwsl.com | 22.95 USD | — | — |
| Helical Gear, 7 Teeth, 2.4mm Bore, Brass. Exact replacement for PFM B-2, B-3, Pacific Coast | nwsl.com | 21.95 USD | — | — |
| Worm Gear, 0.3mod x 13 Teeth x 5.54mm OD x 2.0mm Face x 1.5mm Bore, Delrin | nwsl.com | 21.95 USD | — | — |
| Worm Gear, 2-Lead, 0.5mod x 34 Teeth x 18.0mm OD x 6.0mm Face x 0.250" Slip Bore, Double Hubbed, Delrin | nwsl.com | 21.95 USD | — | — |
| Spur/Worm Gear, 0.3mod x 12/23 Teeth Compound x 1.5mm Bore, Brass/Delrin | nwsl.com | 21.95 USD | — | — |