HINO SUPER DOLPHIN PROFIA LFS FS SH SS FR FN FW F20C F21C F17D V8 19.7L 20.8L 32T GEAR DRIVEN ENGINE COOLING WATER PUMP ASSY WITH BACK PLATE (OE: 16100-3301 / 161003301 / 16100-3302 / 16100-3305 / 16100-3690 / 16100-3830 / HWP-001)

Overview

The Hino Profia F20C / F21C V8 32T Gear-Driven Engine Water Pump Assembly (Water Pump Assy 16100-3301 / 16100-3302 / 16100-3305 / 16100-3690 / 16100-3830 / HWP-001) is a commercial-grade engine cooling system component engineered specifically for Hino Super Dolphin and Profia heavy commercial transport trucks and prime movers powered by Hino F20C (19.7L), F21C (20.8L), and F17D / F17E (16.7L) V8 naturally aspirated diesel engines (Profia LFS, FS, SH, SS, FR, FN, and FW series heavy prime movers, logging trucks, multi-axle tippers, dump trucks, and low-loader haulers). Built with an exposed 32-Tooth (32T) helical drive gear (with 4 oval lightening cutouts), machined stepped pilot collar, large cylindrical side bore port, angled 2-bolt oval flange arm, recessed 2-bolt oval bowl port, and a pre-installed 8-bolt steel rear backing cover plate configuration, this heavy-duty cast iron water pump delivers continuous, high-volume coolant circulation across both cylinder banks of the V8 engine block. Replacing a worn, noisy, leaking, or bearing-seized water pump restores optimal cooling efficiency and prevents catastrophic engine overheating under extreme commercial haulage.

Key Dimensions (As Labeled in Product Photos)

• Drive Gear Specification: Precision-machined 32-Tooth (32T) wide helical drive gear featuring 4 oval weight-reduction cutouts on the gear face, mounted above a CNC-machined stepped pilot collar (143.7mm overall gear height).

• Complete Assembly with Rear Cover Plate: Supplied as a complete unit with a pre-assembled zinc-plated steel rear backing plate fastened by 8 grade-8.8 hex bolts, surrounded by 5 raised perimeter mounting bolt bosses on the cast iron housing.

• Multi-Port Cast Iron Volute Body:

  • Angled Side Coolant Arm: Ends in a flat-machined 2-bolt oval flange port and features a protruding steel alignment dowel pin on the neck.

  • Recessed Oval Bowl Port: Front/side machined 2-bolt oval cavity/bowl port on the lower housing.

  • Cylindrical Neck Side Bore: Large CNC-machined round horizontal side port integrated directly into the main bearing neck wall below the 32T gear collar.

• Measurement Notice: Key visual details including the 32T helical gear, cylindrical side bore port, 2-bolt oval flange ports, alignment dowel pin, and 8-bolt rear backing plate are shown directly in our product photos.

• Please verify your existing water pump gear tooth count (32T), side bore port, and oval flange orientation against our product photos before ordering.

Compatible Truck & Heavy Equipment Applications

• HINO HEAVY COMMERCIAL TRUCKS & PRIME MOVERS:

  • Super Dolphin & Profia V8 Series (LFS, FS2F, SH2F, SS2F, FR2F, FN2F, FW2F Heavy Prime Movers, Timber/Logging Trucks, Multi-Axle Tippers, Dump Trucks & Concrete Mixers)

• Engine Application:

  • Hino F20C (19.7L / 19,688cc V8 32-Valve Naturally Aspirated Direct Injection Diesel)

  • Hino F21C (20.8L / 20,781cc V8 32-Valve Naturally Aspirated Direct Injection Diesel)

  • Hino F17D / F17E (16.7L / 16,745cc V8 Direct Injection Diesel — Select Compatible Profia Variants)

• OEM & Cross-Reference Part Numbers:

  • 16100-3301 / 161003301 (Hino Genuine OEM)

  • 16100-3302 / 161003302

  • 16100-3305 / 161003305

  • 16100-3690 / 161003690

  • 16100-3830 / 161003830

  • 16100-3060 / 16100-3061 / 16100-3062 / 16100-3063 / 16100-3064

  • S1610-03301 / S1610-03305 / S1610-03830

  • YY: HWP-001 / HWP001

• (Note: Hino V8 engines use two main water pump families: this 32T gear-driven 16100-3301 / 16100-3305 / 16100-3690 [HWP-001] assembly fits Hino F20C / F21C V8 [Profia / LFS] engines, whereas older Hino F17C V8 [MSH] engines utilize 16100-2955 [HWP-002]. Always count your gear teeth [32T] and compare your old sample pump against our photos prior to ordering.)

Why Choose Our Commercial Truck Parts?

• Induction-Hardened 32T Helical Drive Gear: Wide 32-tooth heat-treated helical gear with 4 lightening cutouts meshes smoothly with the V8 timing gear train, resisting tooth pitting, wear, and gear backlash under heavy torque loads.

• Pre-Assembled 8-Bolt Rear Cover Plate & Gasket: Factory-sealed with a zinc-plated steel backing plate and 8 grade-8.8 hex bolts to prevent rear plate coolant leaks and save workshop installation time.

• Precision CNC-Machined Ports & Pilot Collar: Stepped pilot collar, cylindrical side bore port, and 2-bolt oval flange faces are machined to strict OEM tolerances for leak-free alignment with the V8 engine block.

• Heavy-Duty Bearing & Mechanical Shaft Seal: Engineered to endure continuous gear-driven radial forces and high cooling system pressures without shaft play or coolant weepage.

• Ready Stock & Fast Shipping: Readily stocked for quick dispatch across Peninsular and East Malaysia.

Need Help Confirming Fitment?

Unsure whether this 32T F20C water pump matches your prime mover or lorry's existing V8 engine setup?

• Check your old pump against the 32T helical gear, side bore port, and 8-bolt rear plate shown in our pictures.

• Or send your Chassis Number (VIN) / Engine Model (F20C / F21C) / Gear Teeth Count (32T) / sample photos to our team via WhatsApp for instant confirmation!