Isuzu KB250 / KB280 / KB300 Thermostat Housing | 2.5, 2.8 & 3.0 TDI | 1989–2022

Isuzu KB Thermostat Housing – KB250 | KB280 | KB300 | 2.5, 2.8 & 3.0 TDI (1989–2022)

Keep your Isuzu KB running at the right temperature with this quality direct-fit thermostat housing. Compatible with a wide range of Isuzu KB, D-Max, Frontier, Rodeo, and Trooper models. A cracked or leaking thermostat housing causes coolant loss and engine overheating — this affordable replacement seals your cooling system and restores proper temperature regulation.

Product Highlights

• Fitment: Isuzu KB250, KB280, KB300 — 2.5, 2.8 & 3.0 TDI engines
• Year Range: 1989 to 2022
• Type: Direct OEM replacement — no modifications needed
• Condition: New
• Weight: 2 kg
• SKU: 438
• Warranty: 1 Year warranty when purchased through Mr AutoMotive SA

Signs Your Thermostat Housing Needs Replacing

• Coolant leaking from the thermostat area
• Engine overheating or temperature warning light
• Low coolant level with no visible external leak
• Visible cracks or damage on the housing

Compatible Vehicles

Isuzu KB III (1988–2004)

• 2.5 KB250 (4JA1) – 52 kW / 71 HP | 2WD & 4WD
• 2.8 KB280 (4JB1-T) – 64 kW / 87 HP | 2WD & 4WD
• 3.0 KB300 (4JH1-T/TC) – 96 kW / 131 HP | 2WD & 4WD

Isuzu KB IV/V (2002–2025)

• 2.5 DiTD / KB250 (4JA1) – 56–58 kW | 2WD & 4WD
• 2.5 TDi (4JA1T) – 52 kW / 71 HP
• 3.0 KB300 (4JH1-TC) – 96 kW / 131 HP

Isuzu KB VI (2013–2018)

• KB250 (4JA1-L) – 58 kW / 79 HP

Isuzu KB (1980–2003)

• 2.5 D 4WD (4JA1) – 55 kW / 75 HP
• 2.5 TDi (4JA1T) – 66 kW / 90 HP
• 2.8 TD / 4WD (4JB1-TC) – 78 kW / 106 HP

Also fits:

• Isuzu D-Max I (TFR/TFS) 2006–2025 | 2.5 (4JA1-L) – 58 kW
• Isuzu Frontier 1997–2003 | 2.8 D / 4x4 (4JB1) – 74 kW
• Isuzu Rodeo Sport 2001–2003 | 2.8 (4JB1-T) – 74 kW
• Isuzu TFR/TFS Pickup (TF_) 1992–2002 | 2.5 (4JA1) – 57 kW
• Isuzu Trooper II (UB) 1991–1998 | 3.1 TD (4JG2 T) – 84 kW

Not sure if this fits your specific model or engine code? WhatsApp us on 079 306 2751 or send us a message and we’ll confirm before you order.