Texas Heavy-Duty Rebuild Scene | Isuzu 6HE1 Engine Parts 8-94391-596-1 8-94390-529-1 | Genuine Pistons & Rings for Oil-Field Trucks

Texas Oil-Field Demand Meets Guangzhou Supply

When a Cummins QSK19-powered NOV 600 hp mud pump or an Isuzu 6HE1-TC fitted in a Kenworth T800 tanker goes down in the Permian Basin, every minute costs money. Guangzhou Honour Time Machinery Limited keeps the rigs running by shipping the exact OEM-reference piston 8-94391-596-1 and piston ring 8-94390-529-1 sets within 48 h to Houston, Texas. Our 2025-10-21 stock snapshot shows 320 sets of 6HE1 pistons & rings ready for DHL uplift, helping Lone-Star fleets hit 1 000 000 km overhaul targets without pricey dealer mark-ups.

Inside the Part Numbers You Keep Googling

• 8-94391-596-1 – Fully machined Isuzu 6HE1 aluminum piston with anodized top ring groove for 110 mm bore; balance tolerance ±2 g for smoother high-rpm operation.

• 8-94390-529-1 – Three-piece plasma-moly piston ring pack (1.5-1.5-4.0 mm) engineered for 6HE1 turbocharged duty; chrome-faced oil ring reduces lube consumption to<0.1 %.

One-Stop Basket for Engine Rebuild Contractors

We specialise in Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar & Weichai complete engines and spares. Alongside the 6HE1 piston & ring kit you can add:

• wet cylinder liner 8-94396-332-0 (custom oversizes available)

• main & con-rod bearings, thrust washers

• full overhaul gasket kit, crankshaft, turbocharger

• high-flow water pump, oil pump, fuel injection pump & injectors

All parts are checked on a Zeiss CMM, packed in vacuum-sealed trays and shipped with ISO 9001:2015 traceability labels.

Quick Parts Glossary – Know What You Buy

1. Cummins 6BT 5.9 crankshaft – installed in the block of a Case 580SN backhoe; converts liner & piston reciprocating motion to rotation.

2. Komatsu SAA6D107E-2 cylinder head – sits atop the block of a PC200-8 excavator; houses valves & injectors.

3. Caterpillar C7.1 turbocharger – bolted to the exhaust manifold of a 336F L hydraulic excavator; boosts air density for more power.

4. Isuzu 4HK1-TC oil pump – mounted on the front cover of a Isuzu NPR-HD truck; feeds lube to crank, rods & turbo.

5. Kubota V3300 water pump – attached to the timing case of a Kubota SVL95-2 skid-steer; circulates coolant through liner jackets.

6. Yanmar 4TNV98 thrust washer – positioned at the centre main bearing of a Yanmar ViO80-1 mini-excavator crank; controls end-play.

7. Weichai WP12 con-rod bearing – fits inside the big-end of a Shacman F3000 tractor; carries combustion loads to crankpin.

8. Cummins QSL9 piston cooling nozzle – screwed into the block of a Grove GMK5250L crane; sprays oil under the piston crown for cooling.

9. Komatsu 6D140 liner kit – pressed into the block of a D155AX-8 dozer; forms the sliding surface for piston rings.

10. Caterpillar 3126B injection nozzle – installed in the head of a Cat 320C excavator; atomises fuel into the combustion bowl.

20 Long-Tail Keywords That Bring You Here

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Our Business Hours & Contact

Guangzhou Honour Time Machinery Limited
   Room 312, Time-Square, 818 Congyun Road, Baiyun District, Guangzhou, China
   Tel / WhatsApp: +86 135 3237 9052
   Email: [email protected]
   Monday – Saturday 08:30-18:00 (GMT+8)
   Ready to quote Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar & Weichai engine parts within 30 minutes.

Copyright © 2025 Guangzhou Honour Time Machinery Limited. All rights reserved.
   OEM numbers shown are for reference only; we supply replacement parts that meet or exceed original specifications.