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Looking for Kubota B21 parts? Browse our complete range of compatible spare and maintenance parts for the Kubota B21 mini tractor—including filters, engine parts, cooling, electrical, and hydraulic components—available directly from stock for fast worldwide delivery.

Kubota B21 parts

Horsepower
21 hp
Engine oil
3,0 l, 15W40
Transmission oil
27,5 l, UTTO / GL-4
Fuel capacity
24 l
Voltage
12 V
Rear PTO
540 rpm
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Showing 12 of 90 products
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SKU
Product
Rating
Price
In stock
Fits your Kubota B21
SKU-002/5
  • We only work with high-quality oil filters from German or other European suppliers!
  • Thread: M20x1.5
  • Diameter: 80.0 mm
  • Height: 80mm
  • Below is the listing that we have meticulously selected from our suppliers. If the machine is listed below then it fits 100%.
In stock
Fits your Kubota B21
SKU-780006
  • Length 80 mm
  • Wire diameter : 10mm
In stock
Fits your Kubota B21
SKU-55002-2
  • Glow Plug / Glow Plug Premium Quality
  • Start your machine effortlessly in all weather conditions with this high-quality glow plug. This glow plug has been specifically developed for modern diesel engines and offers robust performance and direct heat output, essential for a reliable start and preserving your starter motor and battery.
  • Technical specifications:
  • Thread: M8
  • Pitch: 1.0 mm
In stock
Universal product
SKU-14002
  • Towbar bracket CAT1. for your mini tractor!
  • Optimize the use of your mini tractor with our high-quality tow bar. This robust accessory is designed for easy mounting in the rear linkage and is suitable for all types of trailers, including tippers.
  • Iseki
  • Kubota
  • Yanmar
In stock
Fits your Kubota B21
In stock
Fits your Kubota B21
SKU-910008
  • Oil pressure switch suitable for many models, including:
  • Kubota
  • A13, A14, A15, A17, A19, A30, A155, A175, A195
  • B1550, B1700DT, B1750, B1830, B2100, B2150, B2310, B2320DT, B2400, B2410, B2601HSD, B2620, B2630, B2650, B2710, B2910, B2920, B3000, B3030, , B3300, B3350, B4200, B4850DT, B6200HST, B7200, B7300, B7500, B7410, B7510, B7610, B7800, B8200, B9200
  • B20, B21, B26
In stock
Fits your Kubota B21
SKU-50017
  • Lamp socket suitable for:
  • Kubota
  • B20, B21
  • B1200, B1400, B1402, B1500, B1502, B1600, B1702, B1902
  • B4200, B5200, B6200, B7200, B8200, B9200HST
In stock
Universal product
VAR-900001
  • Universal safety pins / cotter pins for compact tractors. Available in two sizes: Safety pin 6x45mm for light applications and PTO Pin 8x56mm for the PTO shaft and heavier attachments. Galvanized steel with spring ring.
In stock
Fits your Kubota B21
SKU-45005
  • Thermostat with gasket suitable for the following types:
  • Shibaura
  • ST318, ST321, ST324
  • P15F, P17F, P145F, P155F, P165F, P175F, P185F
  • SP1400, SP1440, SP1500, SP1540, SP1700, SP1740, SP1800, SP1840, SP2140
In stock
Fits your Kubota B21
SKU-47012-s
  • Injection: Indirect injection (IDI)
  • Nozzle type: Pintle nozzle
In stock
Fits your Kubota B21
In stock
Universal product
SKU-150010
  • Replacement fuel filter: complete filter housing for compact tractors
  • Give your compact tractor a new lease on life with this replacement fuel filter housing, specially designed as a simple and reliable solution for leaks, cracks, or worn parts. Whether you are dealing with a leaking drain cock, a damaged filter element, or a cracked filter bowl: this complete filter housing provides an immediate solution. Suitable for various brands, including Kubota, Iseki, and Yanmar. Supplied complete with connections and easy to install; in some cases, minor modification is required.
  • Technical specifications:
  • Length: 115 mm
  • Filter element diameter: 38.5 mm
Showing 12 of 90 products

Kubota B21 Parts & Maintenance

Maintaining or repairing your Kubota B21 mini tractor starts with parts that fit accurately. On this page you will find all compatible Kubota B21 spare parts—from oil, fuel, and air filters to water pumps, radiator hoses, clutches, brakes, front axle seals, three-point linkage parts, and electrical components. Use the category filter to quickly jump to the exact assembly for your Kubota B21.

Looking for parts for another Kubota model? View our complete range of Kubota mini tractor parts or contact our team for expert support.

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