Caterpillar Piston Ring 1N-3967 – Premium Engine Component for Maximum Efficiency
In the world of heavy machinery, every engine part plays a vital role in ensuring performance, reliability, and productivity. One of the most critical yet often overlooked components is the piston ring. If your machine is facing reduced compression, increased oil consumption, or irregular power delivery, the Caterpillar Piston Ring 1N-3967 is the trusted solution that delivers long-lasting results.
At Ningbo Qiuning Co., Ltd., we specialize in supplying genuine Caterpillar parts that meet strict specifications. The 1N-3967 piston ring is a widely sought-after component for various Caterpillar engine models, designed to maintain the perfect seal between the piston and cylinder wall, reduce blow-by, and improve fuel efficiency.
Key Advantages of Caterpillar 1N-3967 Piston Ring
Precision Engineering & Perfect Fit
Manufactured with high-grade materials, the 1N-3967 piston ring ensures perfect compatibility with Caterpillar engines. Customers often ask: “Why does my engine lose compression?” The answer lies in worn or substandard piston rings. With Caterpillar’s engineering excellence, this component restores compression and maintains optimal combustion.
Enhanced Engine Efficiency
By improving the sealing between piston and cylinder, the 1N-3967 piston ring reduces oil leakage and blow-by gases. This results in cleaner engine operation, stable power output, and lower maintenance costs. For businesses looking to cut operational expenses, this is a proven solution.
Durability Under Harsh Conditions
Caterpillar engines often work in demanding environments such as mining, construction, and logistics. The 1N-3967 piston ring is heat-resistant and wear-resistant, ensuring long service life even under heavy load and extreme conditions.
Fuel Cost Reduction
One of the biggest challenges operators face is rising fuel costs. With the 1N-3967 piston ring maintaining compression and preventing fuel wastage, you achieve better fuel economy, directly saving money over time.
Reduced Downtime, Higher Productivity
Frequent engine breakdowns can lead to project delays and revenue loss. Choosing a reliable piston ring like Caterpillar 1N-3967 minimizes downtime, keeping your machines running smoothly and projects on schedule.
Why Choose Ningbo Qiuning Co., Ltd. as Your Supplier?
At Ningbo Qiuning, we understand the importance of reliable engine parts in your operations. We are committed to providing customers with genuine Caterpillar parts, ensuring authenticity and performance you can trust.
Our Advantages:
Wide Inventory Availability – From piston rings to filters, injectors, pumps, and sensors, we cover a full range of Caterpillar spare parts.
Competitive Pricing – We help businesses reduce procurement costs while maintaining genuine quality.
Professional Support – Our technical team provides expert advice on part selection and after-sales guidance.
Fast Delivery – With an efficient logistics system, we ensure quick response to urgent orders.
Global Customer Trust – We supply customers worldwide, earning a reputation for reliability and consistent service.
Applications of Caterpillar 1N-3967 Piston Ring
Heavy-duty construction equipment
Mining machinery
Diesel engines for power generation
Industrial engines in marine and logistics applications
Wherever Caterpillar engines are used, the 1N-3967 piston ring plays an indispensable role in maintaining efficiency and extending service life.
Recommended Genuine Purchase
For long-term savings and maximum machine performance, we strongly recommend purchasing genuine Caterpillar piston rings, including the 1N-3967 model, from reliable suppliers like Ningbo Qiuning Co., Ltd. While many aftermarket alternatives exist, only genuine components ensure the durability and precision your engine requires.
Contact Information
WeChat/WhatsApp/Phone: +8615888032469
Email: allen@perkins-rx.com
Website: http://www.cnqn.net/
Conclusion
The Caterpillar Piston Ring 1N-3967 is more than just a spare part—it’s a guarantee of stable performance, lower maintenance costs, and extended engine life. Whether you are operating construction, mining, or industrial equipment, choosing genuine Caterpillar piston rings will secure your investment and keep your business running smoothly.
Ningbo Qiuning Co., Ltd. is ready to be your trusted partner in delivering high-quality Caterpillar spare parts worldwide.

Product Description
Our company also sells the following products:
Caterpillar Belt 7C-8236
2W-2531 7C-2163 7C-8236 1P-9744 4N-7335 9N-1329 1N-3743 2P-6820 2P-6819 4N-9891 9Y-1131 2P-6818 1W-2934
1P-3085 4P-0454 1P-4334 3P-0130 2P-6212 9Y-6117
Caterpillar Belt 4N-6130
2P-4191 068-0610 9L-6125 9L-6125 8N-0503 2P-4685
2S-2743 4N-7610 2P-4230 1P-6868 1P-4313 2P-6161
Caterpillar Engine Belt 9L-4479
2P-8720 2P-8720 7W-5207 1N-3795 1W-9693 8M-0760
117-0030 9N-1321 7C-9001 9N-1320 9N-1320 6N-7721 9Y-0290 6N-3636
Caterpillar Belt 1W-8043
9Y-8864 9Y-0291 6N-3637 5R-7276
1N-8405 7L-4528 2N-0159 7N-3157 7L-5091 7N-3158 1N-9310 4H-0552 2L-1478 004-0909 061-8384 036-6775 7E-0744
030-3289 037-2448 036-2176 030-3291 5L-3979 1N-4635
Caterpillar Belt 8N-3504
9L-4896 001-5645 9L-1126 4M-6291 061-7139 1W-5555
5L-3834 4L-6060 9M-1091 8L-8646 6L-3408 9L-2248 6N-3113 3K-3408 8S-3199 7M-6104 7S-9807 2P-6142 7M-6105 1P-2423
7M-6100 4S-7754 7S-98117S-9860 8M-1714 3N-8258 1S-1126 5S-9078 5S-9079 7S-1690 7S-9810 5M-5343 7M-5535 4N-4105
9M-6933 2P-6140 2P-2357 6N-2348 7S-8350 8S-6178 5R-2455
Caterpillar Belt 4N-4773
5S-0291 2S-8268 4N-1745 3S-9646 7N-7502 4M-9678
3R-2689 7M-3921 3P-0025 4M-6292 1P-2421 5M-2733 7S-9859 8M-1715 8M-1715 2P-2356 9M-5146 9M-3633 4M-9072 7M-7373
2S-5279 5S-1762 5F-7676 5H-2896 5H-9857 4N-6529
Caterpillar Belt 7M-4715
2P-2369 8N-4128 2P-2696 7M-4716 2P-1388 7M-0981 4N-3587
7M-7476 7L-7099 7M-7864 5L-5015 9M-7221 2S-6913 3P-0071 7M-4706 7M-4707 5L-5656 7M-4719 7M-4705 7M-4702 3P-0098
7M-0185 8S-1475 7M-4947 7M-4717 7M-4703 7M-4704 7M-4718
Caterpillar Belt 5L-5014
2S-6168 5L-9902 8M-9708 4M-8218 3S-2347 5M-5347
6B-8536 2P-1272 2M-8183 2P-8624 7C-3559 2W-8951 7M-4701 2W-6766 2W-8952 7N-3965 1S-1207
Caterpillar Belt 6N-7575
4W-7508 7W-6471 7W-1665 4W-5091 9Y-8467 2S-5279 5L-6672 6L-6552 6B-1039 7B-4032 4F-7956 5H-4239 100-3725 7E-4841 7B-2774 8H-7180
9Y-1954, 7E-3898, 1W-8908, 4W-5825, 6L-6213, 4N-8216, 9L-6643,9L-6651, 6N-6652, 9N-1324
Caterpillar Belt 8N6700
8N6720 1N4090 7M4721 4W0752
4N6372 3S9653 4N8216 4N8220 9L6639 4N6373 5H7371 4N8221 4W0752 2S5218 8N6700 8N6717
7E4841 5L7425 4L6060 6N6652 6N6655 2S2743 9L6647 9L6643 9L6648 6N6798
The fuel injectors on sale are suitable for excavators, Caterpillar rotary drilling RIGS, industrial engines, bulldozers, etc. The models are as follows:
Excavator Excavator series: 312D, 313D, 315D, 318D, 320C, 320CL, 320D, 320DL, 323D, 323DL, 324D 326D, 325C, 325D, 329D, 329DL, 330D, 330C, 330CL, 330DL, 336D, 336DL, 345C, 345CL, 345D, 345DL, 349D, 349DL, 365C, 365CL, 374D, 374DL, 385C, 3 85CL, 390D, 390DL
305.5, 306, 307, 307C, 307D, 308, 308C, 308D, 305.5E, 306E, 307E, 308E, 305.5E2, 306E2, 307E2, 308E2, 313D2, 318D2, 320D2, 323D2 326D2, 329D2, 330D2, 336D2, 349D2, 374F, 390F.
Engine Series: 4M40, C4.2, C6.4, C6.6, C7, C-9, C13, C15, C18, C10, C11, C12, C16, C-16, C-15, C27, C32, C175; 3066, 3056, 3054, 3116, 3126, 3204, 3304, 3306, 3406, 3408, 3412, 3456, 3504, 3508, 3512, 3516, 3606, 3608, 3612, 3616.
Contact Information
The main Caterpillar models we serve include 320D, 323D, 324D, 325D, 329D, 330C, 336D, 345D, 349D, 365C, 374D, 385C, and 390D. C6.4, C7, C9, C-9, C13, C15, C18.
The categories of Caterpillar original parts we sell include:
① Engine components: turbocharger, muffler, generator, starter motor, water pump, oil pump, four accessories, engine assembly, oil pump and nozzle;
② Chassis components (four wheels and one belt) : tensioning cylinder, tensioning spring, guide wheel, drive tooth, idler wheel, idler wheel, track/chain, track plate and loose link chain;
③ Hydraulic components: Hydraulic pumps, rotary motors, solenoid valves, walking balance valves, center rotary joints, hydraulic cylinders;
④ Electrical components: sensors, wiring harnesses, complete machine computer board ECM, display screens, engine computer board ECM;
⑤ Maintenance parts: Filter element, engine oil, hydraulic oil, grease;
⑥ Radiator types: water tanks, hydraulic oil radiators, intercoolers;
⑦ Cab air conditioning category: compressor, air conditioning panel, warm water tank, condenser, cab assembly;
⑧ Slewing bearings, bearings, pins
⑨ Disassembled parts: reducer, hydraulic pump, motor, cylinder head, cylinder block, crankshaft, display, engine computer board ECM, complete machine computer board ECM.
⑩ Major engine overhaul, replacement of the entire machine wiring harness, and major overhaul of the hydraulic pump
Clean all the components of the engine, including the cylinder block, cylinder head, oil pan, crankshaft and other parts, as well as external components such as screws. First, remove the external dirt by using kerosene or other solvents, brushes, etc. Then, use a high-pressure air gun in combination with gasoline to rinse, ensuring that all parts of the engine are clean and tidy, free of impurities. This step is of vital importance. If a repaired Caterpillar engine contains too much dirt, it will increase the wear of the engine.
Disassemble the engine assembly, carefully categorize the parts of the C9 engine assembly to prevent the loss or omission of Caterpillar accessories and facilitate subsequent assembly.
Check which parts of the C9 engine components need repair or replacement, and then prepare high-quality replacement parts.
Prepare the lubricating oil necessary for maintenance, such as Caterpillar special engine oil, grease, etc.
The above steps are preparatory work. After completing the above steps, the maintenance personnel can officially carry out the maintenance and assembly of the Caterpillar C9 engine.
3021038. 212-3468, 209-5582, 105-2508, 190-3562, 197-9297, 238-2736, 161-3425, 168-7209, 197-9299, 166-3648, 7X-2908, 167-0024, 151-2939, 213- 3190, 160-8166, 163-2442, 188-3122, 176-7688, 176-7690, 163-2444, 190-6115, 190-6117, 119-2921, 187-8961, 187-1315, 202-7676, 166-178 183-5163, 160-8197, 8C-4984, 6V7238, 189-2470, 163-2447, 163-2449, 183-4365, 184-2515, 133-6379, 163-2437, 191-5094, 3190675, 236-0 962, 145-8460, 200-3312, 254-4339, 205-5164, 190-6114, 130-9811, 161-1703, 161-1704, 161-1705, 191-6587, 209-5582, 194-6726, 245-4630 190-4155,1R-0716, 3T-5760, 233-9856, 1R-0712, 1R-0719,1R-0750,1R-0716 1R-0734, 1R-0751, 1R-0749, 0937521, 117-4089, 133-5673, 1R-1807, 1R-1808, 1R-0741, 1R-0739, 1R-0734, 1R-0756, 1R-0726, 4N-0015, 4P0711 4P0710, 142-1339, 142-1404 131-8822, 131-8821, 6I2505, 6I2506, 6I2503, 6I2504, 5I8670, 326-1643, 326-1644, 146-6695, 9N3368, 9N3367, 2S1286, 1R0762, 1R-0770, 142- 1339, 142-1404, 093-7521, 185-5294, 6V0890, 4P9857, 4W5738, 7S7144, 1E5300, 2A4429, 8N6797, 1070268, 1070265, 1167553, 3P1896, 1007860 1007861, 9Y8218, 8N1721, 1P9956, 4W5739, 2W1709, 5S5918, 8N3325, 7T2793, 6V5227, 3E7771, 6V0512, 7T9123, 7X-6100, 3T-5859 145-4518, 19X-1383, 7X-6100, 175-4390, 153-5700, 9X-9720, 8C-3617, 8T-9734, 153-5720, 101-4000, 153-5690 8C-3630, 153-5700, 9X-9720, 153-5720, 101-4000, 3T-5760, 115-2422, 127-0826, 3T-5857, 8C-3602, 3T-5858, 127-0824 9X-1382, 153-5710, 8C-3623, etc