Caterpillar D353 Piston
Caterpillar D353 1N3601 Piston Ring
Caterpillar D353 Cylinder Liner
Guangzhou Union Piston Specifications
Piston Materials
Aluminum Alloy(lighter in weight and higher thermal conductivity);
Senior Cast Iron(heavier in weight, greater strength and resistance to wear);
Heat-resisting Steel
Piston Process
Casting, Forging, Melted Metal Squeezing;
Engine Piston Treatment
Phosphate, Top Oxidization,
Top Molybdenum Disulfide,
Sn(tin)Plated on Skirt,
Graphite on Skirt,
Alfin, Double Alfin,
Invar insert,
Drilling,
Oil-cooling Channel,
Three or Four Ring Grooves,
Ceramic Spraying
Hard Iron Plating
Engine Machining Processes
Honing Turning
Milling Drilling
Boring Grinding
Piston Form
Round
Oval
# Guangzhou Union is a professional manufacture for piston and piston ring since 2000.
# We strict on the quality and our aim is to offer chinese A-class quality piston and piston ring.
# our service principle: Quick Quotation, Credit Honesty, strong packaging
Any inquiry, please provide us quantity and models you required, we will give you professional service!
| Engine Type | Cyl | Dia(mm) | Position | Ring width(mm) | Padial Thickness | Part No |
| S6KT | 4/6 | 102.00 | 1st | 3.000 | | 34317-19011 |
| 2nd | 2.000 | |
| Oil Ring | 4.000 | |
| D330 D333 D6B | 4/6 | 114.30 | 1st | 3.175 | | |
| 2nd | 2.380 | |
| Oil Ring | 5.560 | |
| 3304/3306 | 4/6 | 120.65 | 1st | 3.175 | | 9S3068 |
| 2nd | 2.380 | |
| Oil Ring | 5.550 | |
| 3306 3304 | 4/6 | 120.65 | 1st | 3.175 | | 2W1709 |
| 2nd | 2.778 | |
| Oil Ring | 3.175 | |
| 3306 3304 | 4/6 | 120.65 | 1st | 3.175 | | 2W6091 |
| 2nd | 2.380 | |
| Oil Ring | 3.175 | |
| 3306 3304 | 4/6 | 120.65 | 1st | 3.175 | | 2114321 |
| 2nd | 3.175 | |
| Oil Ring | 4.000 | |
| D3408 D3412 | 4/6 | 137.00 | 1st | 3.968 | | 9Y4004 |
| 2nd | 3.175 | | 1W8922 |
| Oil Ring | 3.175 | | 7N3511 |
| 3406 D3408 D342 | 4/6 | 137.00 | 1st | 3.175 | | 8N0822 |
| 2nd | 3.175 | |
| Oil Ring | 3.018 | |
| D339/D342 D397 D375 | 4/6 | 146.05 | 1st | 4.760 | | 8N5760 |
| 2nd | 2.380 | |
| Oil Ring | 6.350 | |
| D9/DD9 D353E SSD4 3512 | 4/6 | 158.75 | 1st | 3.175 | | 1W5150 |
| 2nd | 2.380 | |
| Oil Ring | 6.350 | |
| G3500 | 6 | 170.00 | 1st | 3.500 | | 7E2899 |
| 2nd | 3.500 | | 7E7581 8N1234 7W2221 |
| Oil Ring | 5.000 | | |
| 3500 | 6 | 170.00 | 1st | 4.900 | | 1N3967 |
| 2nd | 4.750 | | 8N1233 8N7810 7W2221 |
| Oil Ring | 5.000 | | |
Guangzhou Union Auto Parts Co., Ltd established in 2000, invested two factories: One is piston ring factory, the other is piston factory, was one of the biggest engine parts manufacturers and suppliers in Guangzhou. And we supplied piston and ring to these truck engine assembly factories. (JAC, JMC, ISUZU, FOTON, DFAC, FAW etc) Meanwhile, we attached great importance to after-sale service and got distributors among 15 provinces in China. In 2007, the export department in Guangzhou was established with an efficient and united team. Export staff aimed at providing professional solution to engine parts repairing for customers domestic and abroad through exhibition and online service. In 2009, the second largest liner factory of China chose Union team developing oversea market. We are committed to our customers supplying high quality engine parts to meet customer's needs. We do believe that quality means the life of enterprise. And we are striving to be the best manufacturer and supplier of engine parts from a global view.
Our main products are diesel engine pistons, piston rings and cylinder liners which are mainly applied to light trucks, heavy-duty trucks, buses and construction machines engines like YUCHAI, WEICHAI, DACHAI, XICHAI, CHAOCHAI, YANGCHAI, YUNNEI, YANGDONG, XINCHANG, JIANGHUAI, DONGFENG CUMMINS etc. Adopting advanced technique and high quality management system with special laboratory, our products get international approval, such as ISO9001, TS16949 etc. And enjoy a very good reputation among customers in domestic and overseas market. In addition, we can provide OEM service according to customer's technical drawings and requirements for engine parts. (ISUZU, HINO, Nissan, MITSUBISHI, KOMATSU, YANMAR, DAEWOO, HYUNDAI, KIA, CUMMINS, CATERPILLAR etc)
OUR ADVANTAGES (Factory Background)
The first piston ring factory of China for diesel engine started in 1943 with annual production of 40 million pieces rings diameter range from 65mm to 400mm.
The largest piston factory in Asia with annual production of 6 million pieces piston diameter range from 65 mm to 400mm.
The second largest liner factory in China with annual production of 10 million pieces liner diameter range from 65mm to 250mm.
Advanced technology and scientific administration for quality guarantee, professional sales team to avoid misunderstanding and mistakes, quick production and fast delivery for target market share and protection. The best strategic partner of one-stop cylinder liner kit purchase solution for customers domestic and abroad.
OUR CONCEPTS
Culture United, we stand, develop and flourish.
Philosophy To lead is to serve, to win is to give.
Quality Strict quality control and supplying the best.
Mission To be the leading professional global supplier of engine parts and accessories in China, we are committed to meeting and exceeding customer's expectation.
