1/2" Premium Belts

12-5050 - 4L-170 Premium Belt
12-5050
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L170, Bolens 110-8450, E.T.Rugg 3100140, Reo MW-1151, Sunbelt B1SB5050, Western Auto 100140
  • Length: 17"
$4.00
12-5051 - 4L-180 Premium Belt
12-5051
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L180, Gamble Skogmo 1651-020, MTD 754-0100, MTD 954-0100, Pro HARDWARE 754-100, Stens 248-018, Sunbelt B1SB5051
  • Length: 18"
$4.00
12-5052 - 4L-190 Premium Belt
12-5052
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L190, Homelite/Jacobsen 304393, McLane 1060, MTD 754-0254, MTD 954-0254, Oregon 75-120, Stens 248-019, Sunbelt B1SB5052
  • Length: 19"
$4.00
12-5053 - 4L-200 Premium Belt
12-5053
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L200, Bolens 110-8453, Bolens 170-3085, Bolens 170-5061, Bolens 171-4251, Fate-Root-Heath 1330, Homelite/Jacobsen 04393A, Homelite/Jacobsen 313775, Homelite/Jacobsen 314804, Homelite/Jacobsen 324136, Homelite/Jacobsen 372780, Homelite/Jacobsen REM1415, Massey Ferguson 51432M1, McLane 4060, MTD 50400320, MTD 754-0126, MTD 754-0156, MTD 754-0232, MTD 7595, MTD 954-0156, MTD 954-0232, Oregon 75-720, Stens 248-020, Stens 271-353, Sunbelt B1SB5053, Toro 1556, Toro 271-16, Yazoo 205-020
  • Length: 20"
$4.00
12-5054 - 4L-210 Premium Belt
12-5054
  • Manufacturer: Rotary
  • OEM Replacement Ariens 72125, Belt (Industry Number) 4L210, Bolens 110-8454, Bolens 171-4106, Cub Cadet 351321-R1, MTD 754-0233, MTD 954-0233, Stens 248-021, Stens 271-361, Sunbelt B1SB5054, Toro 271-17, Trailmate 50028, Yazoo 205-021
  • Length: 21"
$4.00
12-5055 - 4L-220 Premium Belt
12-5055
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L220, Bolens 110-8455, Bolens 170-5033, Bolens 170-7640, Bolens 171-0812, Bolens 171-0957, E-Z Roll S-333, Gilson 1526, Homelite/Jacobsen 07913, Homelite/Jacobsen 314874, Homelite/Jacobsen A07927A, Oregon 75-722, Prime Line 7-4H220, Stens 248-022, Stens 265-156, Stens 265-160, Stens 265-897, Stens 271-379, Sunbelt B1SB5055, Toro 1526, Toro 1598, Toro 6993, Toro 7236, Yazoo 1202, Yazoo 205-022
  • Length: 22"
$4.00
12-5056 - 4L-230 Premium Belt
12-5056
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L230, Bolens 110-8456, Prime Line 7-4H230, Rotary 7466, Stens 248-023, Stens 271-387, Sunbelt B1SB5056
  • Length: 23"
$4.00
12-5057 - 4L-240 Premium Belt
12-5057
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L240, MTD 754-0114, MTD 954-0114, Oregon 75-724, Prime Line 7-4H240, Rotary 7467, Stens 248-024, Stens 271-395, Sunbelt B1SB5057, Toro 1554, Toro 1579, Yazoo 205-424
  • Length: 24"
$4.00
12-5058 - 4L-250 Premium Belt
12-5058
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L250, MTD 754-0016, MTD 754-0106, MTD 954-0016, MTD 954-0106, Oklahoma Tire & Supply 754-1065, Oregon 75-725, Prime Line 7-4H250, Rotary 7468, Stens 248-025, Stens 271-403, Sunbelt B1SB5058
  • Length: 25"
$4.00
12-5059 - 4L-260 Premium Belt
12-5059
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L260, Bolens 110-8459, MTD 754-0219, MTD 954-0219, Oregon 75-726, Prime Line 7-4H260, Rotary 7469, Stens 248-026, Stens 271-411, Sunbelt B1SB5059, Toro 10-9427
  • Length: 26"
$4.00
12-5060 - 4L-270 Premium Belt
12-5060
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L270, Bolens 110-8460, Murray 37X46, Oregon 75-727, Prime Line 7-4H270, Rotary 7470, Stens 248-027, Stens 271-429, Sunbelt B1SB5060, Toro 3-6004
  • Length: 27"
$4.00
12-5061 - 4L-280 Premium Belt
12-5061
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L280, Bolens 110-8461, K & S Trim All 4L280, MTD 754-0163, MTD 754-0231, MTD 954-0163, MTD 954-0231, Oregon 75-010, Oregon 75-728, Power Trim 134, Power Trim 237, Power Trim 339, Prime Line 7-4H280, Rotary 7471, Stens 248-028, Stens 271-437, Sunbelt B1SB5061, Toro 1577, Toro 5950, Toro 7430, Troy Bilt 7523058, Tru-Cut A26, Woods/Hesston 35582
  • Length: 28"
$4.00
12-5062 - 4L-290 Premium Belt
12-5062
  • Manufacturer: Rotary
  • OEM Replacement Ariens 07202400, Ariens 72024, Belt (Industry Number) 4L290, Bolens 110-8462, Bolens 171-3067, MTD 754-0239, MTD 754-0265, MTD 954-0239, MTD 954-0265, Power Trim 238, Prime Line 7-4H290, Rotary 7472, Stens 248-029, Stens 271-445, Sunbelt B1SB5062, Toro 1567, Toro 7-3887
  • Length: 29"
$4.00
12-5063 - 4L-300 Premium Belt
12-5063
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L300, Bolens 110-8463, Bolens 172-0573, Edko 20824, E-Z Roll S-335, Homelite/Jacobsen 2058, Honda 22431-736-701, Honda 22431-768-003, Little Wonder 177, MTD 754-0107, MTD 754-0196, MTD 954-0107, MTD 954-0196, Oregon 75-101, Prime Line 7-07848, Prime Line 7-4H300, Rotary 7473, Stens 248-030, Stens 265-265, Stens 271-452, Sunbelt B1MU126, Sunbelt B1SB5063, Toro 1561, Toro 1573
  • Length: 30"
$4.00
12-5064 - 4L-310 Premium Belt
12-5064
  • Manufacturer: Rotary
  • OEM Replacement Ariens 07209300, Ariens 07211900, Ariens 72093, Ariens 72119, Belt (Industry Number) 4L310, Bolens 110-8464, Bolens 173-2582, Homelite/Jacobsen A29, K & S Trim All 4L310, MTD 61TR38, MTD 754-0935, MTD 954-0935, Oklahoma Tire & Supply 754-925, Prime Line 7-07874, Prime Line 7-4H310, Pro 7523015, Rotary 7474, Snapper/Kees 23226, Snapper/Kees 7023226, Snapper/Kees 7023226YP, Stens 248-031, Stens 265-371, Stens 271-460, Sunbelt B1SB5064, Toro 1580, Toro 7-0824, Tractor Supply 758-121
  • Length: 31"
$5.12
12-5065 - 4L-320 Premium Belt
12-5065
  • Manufacturer: Rotary
  • OEM Replacement Ariens 07205600, Ariens 07210900, Ariens 72056, Ariens 72109, Belt (Industry Number) 4L320, Bolens 171-9203, Homelite/Jacobsen 390422, Maxim 272240, Mono G-1080, Montgomery Ward 2038-32, MTD 754-0104, MTD 754-0177, MTD 954-0104, MTD 954-0177, Otasco 758104, Prime Line 7-4H320, Rotary 7475, Stens 248-032, Stens 271-478, Sunbelt B1SB5065
  • Length: 32"
$5.12
12-5066 - 4L-330 Premium Belt
12-5066
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L330, Bolens 110-8466, Bolens 171-4115, Bolens 172-0726, Bolens 180-0367, MTD 754-0146, MTD 754-0252, MTD 754-262, MTD 954-0146, MTD 954-0252, MTD 954-262, Prime Line 7-4H330, Rotary 7476, Stens 248-033, Sunbelt B1SB5066, Toro 12-6220, Toro 1574, Toro 51-7439, Toro 63-2951, Toro 7-0354, Toro 7-4231, Toro H0364
  • Length: 33"
$5.12
12-5067 - 4L-340 Premium Belt
12-5067
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L340, Bolens 110-8467, Bolens 172-5253, Bolens 180-0365, K & S Trim All 4L340, MTD 754-0192, MTD 954-0192, Prime Line 7-07884, Prime Line 7-4H340, Rotary 7477, Rototiller 28151, Stens 248-034, Stens 265-591, Stens 271-494, Sunbelt B1SB5067, Tanaka 754-0192, Toro 28-8630
  • Length: 34"
$5.12
12-5068 - 4L-350 Premium Belt
12-5068
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L350, Bolens 110-8468, Bolens 172-2639, Bolens 172-4729, Bolens 173-3152, Bolens 173-3439, Bolens 173-3770, Lambert 4-1030, Lawnboy 608014T, Merry Tiller 48350, MTD 754-0101A, MTD 754-0193, MTD 754-0235, MTD 954-0101A, MTD 954-0193, MTD 954-0235, Penney's 4-40910, Prime Line 7-4H350, Rotary 7478, Roto-Hoe 4075, S & H Manufacturing 303, Stens 248-035, Stens 265-433, Stens 271-502, Sunbelt B1MT88, Sunbelt B1SB5068, Toro 19-6960, Toro 7-0737
  • Length: 35"
$5.12
12-5069 - 4L-360 Premium Belt
12-5069
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L360, Bolens 110-8469, Bolens 173-6279, Murray 37X5, Prime Line 7-4H360, Rotary 7479, Simplicity/Allis Chalmers 1657806, Stens 248-036, Stens 265-718, Stens 271-510, Sunbelt B1SB5069
  • Length: 36"
$5.12
12-5070 - 4L-370 Premium Belt
12-5070
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L370, Bolens 110-8470, Bolens 181-3220, Gilson 16366, MTD 754-0154, MTD 754-0255, MTD 954-0154, MTD 954-0255, Murray 37X6, Prime Line 7-4H370, Rotary 7480, Roto-Hoe 1079, Steiner 81A035, Stens 248-037, Stens 265-991, Stens 271-528, Sunbelt B1SB5070, Sweepster 06-0165, Toro 1552, Toro 19-2650, Yardman 754-0225
  • Length: 37"
$5.12
12-5071 - 4L-380 Premium Belt
12-5071
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L380, Bolens 172-6929, Bolens 174-2385, Gilson 14790, Gilson 37230, Maxim 320372204, Prime Line 7-07820, Prime Line 7-4H380, Rotary 7481, Southland SP2-700, Stens 248-038, Stens 265-120, Stens 265-356, Stens 265-736, Stens 271-536, Sunbelt B1SB5071, Toro 271-104, Toro 3-8445, Yardman 754-275
  • Length: 38"
$5.12
12-5072 - 4L-390 Premium Belt
12-5072
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L390, Montgomery Ward 2038-39, MTD 754-0190, MTD 954-0190, Prime Line 7-4H390, Rotary 7482, Simplicity/Allis Chalmers 1665706, Simplicity/Allis Chalmers 1665706SM, Simplicity/Allis Chalmers 8021077, Southland SP9-413, Steiner 81A038, Stens 248-039, Stens 271-544, Sunbelt B1SB5072, Toro 1563, Toro 20-1820, Toro 3-8445, Western Auto 16149
  • Length: 39"
$5.12
12-5073 - 4L-400 Premium Belt
12-5073
  • Manufacturer: Rotary
  • OEM Replacement Belt (Industry Number) 4L400, Bolens 110-8473, Gilson 16386, Gilson 35545, MTD 754-0244, MTD 954-0244, Prime Line 7-07876, Prime Line 7-4H400, Pro 7520031, Rotary 7483, Steiner 81A38, Stens 248-040, Stens 265-348, Stens 265-482, Stens 265-987, Stens 271-551, Sunbelt B1SB5073, Toro 16-9670, Toro 23-9080, Toro 25-0105, Toro 26-9670
  • Length: 40"
$5.12

Find parts for your Lawn Mower:

4L (1/2") Lawn Mower & Garden Tractor Belts
These premium belts meet our rigid specifications and are oil and heat resistant. The protective cover is made of a synthetic rubber compound having excellent resistance to heat, oil and abrasion. Available in 3L-3/8", 4L-1/2" and 5L-5/8". Example of code: 4L310 = 1/2" width, 31" length. The belt length is the outside circumference measurement