Engine rebuild kit Kubota D1403 – L2500 | L2600 | L2800 | GL19 – GL201 | KL21 | Schäffer | Hinomoto

Complete premium quality engine rebuild kit for the Kubota D1403 three-cylinder diesel engine. This kit contains all essential parts for a full engine overhaul: from pistons and bearings to a complete gasket set. Everything in one package, so you don’t have to place multiple orders and can get started right away.

✔️ Complete package — pistons, piston rings, bearings, oil seals and gasket set in one kit
✔️ Exact OEM fit — 1-on-1 replacement of original Kubota parts
✔️ Suitable for all D1403 variants (D1403-B, D1403-M-E2A)

Kit Contents:

• Pistons STD (3 pieces) – Ø80 mm
• Piston rings (complete set per cylinder)
• Piston pins + circlips
• Connecting Rod Bearings (set)
• Main Bearings (set)
• Release bearing / thrust washer
• Complete gasket set including head gasket
• Crankshaft seals (front + rear)
• Valve stem seals

Technical specifications:

• Engine: Kubota D1403 – 3-cylinder diesel
• Displacement: 1,393 cc
• Bore: 80mm
• Stroke: 92.4 mm
• Compression ratio: 23.0:1
• Power: 29 hp at 2,800 rpm
• Injection: Indirect (IDI)

Suitable for:

Kubota

• L2500, L2500DT, L2500F, L2600, L2600DT, L2600F, L2800, L2800-DHV, L2800DT, L2800DHW, L2800F, L2800HST
• GL19, GL21, GL200, GL201
• KL21, KL210
• KT20, KT22, KT210

Hinomoto

• NX19, NX21, NX200, NX201

JCB

• W255K, W265K

Schäffer

• 2026S, 2503, 3033, 326S, 331, 332

OEM ref:

• 16427-03310, 1642703310 – Gasket set
• 16414-99353, 1641499353 – Overhaul gasket kit
• 16427-21772 – Head gasket
• 16427-21050 – Piston rings
• 14901-21310 – Crankshaft oil seal

Tip: don’t forget to check the glow plugs and injectors during an engine overhaul. After years of use, these often need replacing. Check out our glow plugs and injectors suitable for the D1403!