CAPSHEAF Standard Size BYD371QA-1004040 Piston Ring serves as reliable BYD F0 Piston Ring Replacement and essential Engine Overhaul Piston Ring. This BYD371QA-1004040 Piston Ring for BYD F0 features precise OEM sizing for seamless fitting, stable quality and outstanding wear resistance. Based in Chongqing auto parts base with 25 years of one-stop export experience, we own a professional testing lab and 2000㎡ warehouse, delivering integrated support including sourcing, batch QC, stock storage, mixed order consolidation and full export logistics for global auto importers.
FAQ
Q1: What is the OE number of this piston ring and which vehicle does it fit?
A: PISTON RING FOR BYD371QA-1004040 is standard size and oever size replacement part for BYD F0 engine.
Q2: What are the material and coating advantages of CAPSHEAF piston ring?
A: Made of premium alloy cast iron. Top ring uses porous chrome coating; second ring nitriding treatment; oil ring with porous structure. It is wear-resistant, high temperature resistant, low friction, effectively reduces blow-by gas and solves engine oil burning.
Q3: What is your MOQ and lead time?
A: Flexible MOQ supports trial order and bulk order. In-stock items can be shipped in 3–7 working days.
Q4: Can I buy other BYD auto spare parts together for one-stop sourcing?
A: Yes, we supply full series BYD engine overhaul components. Mixed one-stop purchase is available for global wholesalers.

4 Why Choose us
Accurate OE Number Matching We match spare parts by OE number BYD371QA-1004040 precisely. Our piston ring is fully compatible with BYD F0 engine.
Strict QC & Stable Quality Every batch of piston rings passes dimension and visual inspection before shipment. Premium coating technology ensures stable performance for harsh working conditions in Middle East, Africa and South America.
Flexible MOQ & Fast Delivery Small trial orders and large bulk orders are both acceptable. Stocked goods can be shipped quickly, helping you shorten procurement cycle.
One-stop Auto Parts Sourcing We provide wide range of Chinese brand engine spare parts. You can combine different spare parts in one shipment to save logistics cost.
Professional Export Service We are experienced China auto parts exporter serving global importers and repair shops. We handle export documentation and offer reliable after-sales technical support.

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Item |
Specification |
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Brand |
CAPSHEAF |
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Product Name |
Standard Size Engine Overhaul Piston Ring |
|
OEM Number |
BYD371QA-1004040 |
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Compatible Car Model |
BYD F0 |
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Matching Size |
Standard OEM matching dimension |
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Raw Material |
Wear-resistant alloy steel for automobile engine |
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Core Performance |
Good high-temperature resistance, stable cylinder sealing, low oil consumption |
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Quality Standard |
Matches OEM specification for aftermarket replacement |
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Batch Inspection |
Visual & dimensional testing for every production batch |
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Warranty Period |
12 months under normal vehicle operating conditions |
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MOQ |
Flexible, small trial orders and bulk wholesale both acceptable |
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Lead Time |
3–7 working days for in-stock goods; 15–25 days for mass orders |
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Packaging |
Neutral export carton; custom packaging & private brand logo supported |
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Origin |
Chongqing Auto Parts Industrial Base, China |
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Warehouse Support |
2000㎡ finished goods warehouse for stable stock supply |
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Supporting Service |
One-stop sourcing, mixed container consolidation, full export documents |
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HS Code |
84099199 |
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Application Scenario |
Vehicle engine maintenance, repair shop and wholesale aftermarket parts |

