{"product_id":"a-c-ac-air-conditioner-conditioning-compressor-magnetic-clutch-coil-sd7v16-for-changan-cs75-cs55-cs35-1-5t-8103100-cd02","title":"SD7V16 A\/C Compressor Magnetic Clutch Coil | Automotive AC Replacement","description":"\u003cdiv class=\"product-narrative\"\u003e\n  \u003cp\u003e\u003cstrong\u003eSummer does not ask permission. It arrives, and your car's air conditioning either answers the call or it does not.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003eWhen the A\/C fails, most drivers assume the worst: a seized compressor requiring a four-figure repair bill. But in a significant percentage of cases, the compressor itself is mechanically sound. The culprit is a component most people have never heard of: the magnetic clutch coil. This is the electromagnetic gateway that engages and disengages the compressor from the engine's serpentine belt. When it fails, the compressor — perfectly functional — sits idle while you sweat through traffic.\u003c\/p\u003e\n  \u003cp\u003eThe SD7V16 Magnetic Clutch Coil is a direct-fit replacement engineered for Changan CS75, CS55, and CS35 1.5T models (OEM reference: 8103100-CD02). The SD7V16 designation refers to the compressor family — a variable-displacement unit common across a wide range of Asian-market vehicles. \"Variable displacement\" means the compressor adjusts its output based on cooling demand rather than cycling on and off abruptly — this is more efficient and reduces the shudder that passengers feel when a fixed-displacement compressor engages at highway speed.\u003c\/p\u003e\n  \u003cp\u003eThe clutch coil works through electromagnetic induction. When the A\/C is switched on, 12V DC flows through the copper windings inside the coil, generating a magnetic field strong enough to pull the clutch plate against the rotating pulley. The compressor shaft — previously stationary — now spins with the engine. When the cabin reaches the target temperature (or the A\/C is turned off), voltage is cut, the magnetic field collapses, and a spring separates the clutch plate. This cycle repeats thousands of times per year. The copper windings inside the coil must survive constant thermal expansion stress, vibration from engine harmonics, and exposure to under-hood temperatures that routinely exceed 90°C.\u003c\/p\u003e\n  \u003cp\u003eEYONDER manufactures this coil to the original equipment specifications: closed-type shell construction (sealed against moisture and road debris ingress), CE-certified electrical insulation, and a winding density that matches or exceeds the factory part's ampere-turn rating — the measure of magnetic force produced per unit of current. An under-wound coil draws more current to produce the same holding force, which accelerates failure through resistive heating. An over-wound coil produces excessive magnetic field strength, which can cause the clutch plate to drag when it should release.\u003c\/p\u003e\n  \u003cp\u003eInstallation requires removing the serpentine belt and the clutch assembly from the compressor nose — a job that typically takes a competent DIY mechanic 90 minutes with hand tools. No specialized alignment tools are needed for the coil itself (it is press-fit onto the compressor nose), but a clutch hub removal tool may be required to access it. The replacement procedure is well-documented in Changan service manuals and countless YouTube tutorials. For professional shops, this is a bread-and-butter job; for the home mechanic, it is the difference between a $30 part and a $900 compressor replacement.\u003c\/p\u003e\n  \u003cp\u003e\u003cem\u003eYour compressor spins at 3,000 RPM in 95°C engine bay heat. The only thing between you and a working A\/C is a coil of copper wire the size of a hockey puck. When it's the right coil, properly wound, it will outlast the vehicle. When it's not, you will know by July.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 30px 0; border: 0; border-top: 1px solid #e8e8e8;\"\u003e\n\u003cdiv class=\"product-specs\"\u003e\n  \u003ch3 style=\"font-size: 20px; margin-bottom: 20px; letter-spacing: 0.5px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n  \u003cul style=\"list-style: none; padding: 0;\"\u003e\n  \u003cli style=\"padding: 12px 0; border-bottom: 1px solid #e8e8e8;\"\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e EYONDER\u003c\/li\u003e\n  \u003cli style=\"padding: 12px 0; border-bottom: 1px solid #e8e8e8;\"\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Magnetic Clutch Coil (electromagnetic engagement)\u003c\/li\u003e\n  \u003cli style=\"padding: 12px 0; border-bottom: 1px solid #e8e8e8;\"\u003e\n\u003cstrong\u003eCompressor Family:\u003c\/strong\u003e SD7V16 (variable displacement)\u003c\/li\u003e\n  \u003cli style=\"padding: 12px 0; border-bottom: 1px solid #e8e8e8;\"\u003e\n\u003cstrong\u003eOEM Reference:\u003c\/strong\u003e 8103100-CD02\u003c\/li\u003e\n  \u003cli style=\"padding: 12px 0; border-bottom: 1px solid #e8e8e8;\"\u003e\n\u003cstrong\u003eVehicle Compatibility:\u003c\/strong\u003e Changan CS75, CS55, CS35 (1.5T engines)\u003c\/li\u003e\n  \u003cli style=\"padding: 12px 0; border-bottom: 1px solid #e8e8e8;\"\u003e\n\u003cstrong\u003eShell Type:\u003c\/strong\u003e Closed Type (sealed, moisture-resistant)\u003c\/li\u003e\n  \u003cli style=\"padding: 12px 0; border-bottom: 1px solid #e8e8e8;\"\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V DC (standard automotive)\u003c\/li\u003e\n  \u003cli style=\"padding: 12px 0; border-bottom: 1px solid #e8e8e8;\"\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE\u003c\/li\u003e\n  \u003cli style=\"padding: 12px 0; border-bottom: 1px solid #e8e8e8;\"\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 30px 0; border: 0; border-top: 1px solid #e8e8e8;\"\u003e\n\u003cdiv class=\"product-faq\"\u003e\n  \u003ch3 style=\"font-size: 20px; margin-bottom: 20px; letter-spacing: 0.5px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n  \u003cdiv style=\"margin-bottom: 20px;\"\u003e\n  \u003cp style=\"font-weight: 700; margin-bottom: 6px;\"\u003eQ: How do I know if my clutch coil is bad versus the compressor itself?\u003c\/p\u003e\n  \u003cp style=\"color: #555;\"\u003eA: With the engine running and A\/C switched on, check if the compressor clutch plate engages (the center of the pulley should spin). If it does NOT engage, the fault could be the coil (no magnetic force), a blown fuse, a bad relay, or low refrigerant pressure (the pressure switch inhibits engagement). Test the coil directly: unplug the electrical connector at the compressor and measure resistance across the coil terminals with a multimeter. A healthy coil reads 3–5 ohms. An open circuit (infinite resistance) or a short (near-zero resistance) confirms coil failure. If the coil passes but still won't engage, check the relay and refrigerant charge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n  \u003cp style=\"font-weight: 700; margin-bottom: 6px;\"\u003eQ: Will this fit vehicles other than the listed Changan models?\u003c\/p\u003e\n  \u003cp style=\"color: #555;\"\u003eA: The SD7V16 compressor family was used across multiple manufacturers (primarily Asian-market vehicles from the 2010s). The coil's physical dimensions — inner diameter, outer diameter, and depth — determine compatibility. If your vehicle uses an SD7V16 compressor with the same coil dimensions and OEM reference (8103100-CD02), cross-compatibility is likely. Always verify measurements against your existing coil before ordering for a non-listed vehicle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n  \u003cp style=\"font-weight: 700; margin-bottom: 6px;\"\u003eQ: Can I replace just the coil or do I need to replace the entire clutch assembly?\u003c\/p\u003e\n  \u003cp style=\"color: #555;\"\u003eA: The coil can be replaced independently if the clutch plate and pulley bearing are in good condition. However, if the bearing is noisy or the clutch plate friction material is worn, replace the full clutch kit (coil + pulley + plate) while the compressor is accessible. Labor to access the compressor is the same regardless of how many clutch components you replace, so inspect everything while you are in there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n  \u003cp style=\"font-weight: 700; margin-bottom: 6px;\"\u003eQ: Does installation require evacuating the A\/C system?\u003c\/p\u003e\n  \u003cp style=\"color: #555;\"\u003eA: No. The clutch coil replacement is external to the refrigerant circuit. You are working on the front of the compressor (the pulley\/clutch assembly), which is mechanically driven by the serpentine belt. The refrigerant stays sealed inside the compressor body. No evacuation, no recharge, no refrigerant handling required — which is why this is a $30–50 DIY fix versus a $200+ shop repair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 30px 0; border: 0; border-top: 1px solid #e8e8e8;\"\u003e\n\u003cdiv class=\"product-gallery\" style=\"margin-top: 30px; text-align: center;\"\u003e\n  \u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S9ee6d88262ec4f0a98e1791f5a7643b93.webp?v=1722044039\"\u003e\n\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sce14ffab08a44fcf8b0d2a978250f736O.webp?v=1722044039\"\u003e\n\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/agentic_fix_8751119335647_2.jpg?v=1780379625\"\u003e\n\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/agentic_fix_8751119335647_3.jpg?v=1780379627\"\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"Product\", \"name\": \"SD7V16 A\/C Compressor Magnetic Clutch Coil | Automotive AC Replacement\", \"description\": \"Summer does not ask permission. 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This is the electromagnetic gateway that engages and disengages the compressor from the engi\", \"url\": \"https:\/\/eastsupplier.com\/products\/a-c-ac-air-conditioner-conditioning-compressor-magnetic-clutch-coil-sd7v16-for-changan-cs75-cs55-cs35-1-5t-8103100-cd02\", \"image\": \"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S9ee6d88262ec4f0a98e1791f5a7643b93.webp?v=1722044039\", \"sku\": \"1005005232897442-Default Title\", \"offers\": {\"@type\": \"Offer\", \"url\": \"https:\/\/eastsupplier.com\/products\/a-c-ac-air-conditioner-conditioning-compressor-magnetic-clutch-coil-sd7v16-for-changan-cs75-cs55-cs35-1-5t-8103100-cd02\", \"priceCurrency\": \"USD\", \"price\": \"18.42\", \"availability\": \"https:\/\/schema.org\/InStock\", \"itemCondition\": \"https:\/\/schema.org\/NewCondition\"}, \"aggregateRating\": {\"@type\": \"AggregateRating\", \"ratingValue\": \"4.7\", \"reviewCount\": \"3\"}}\u003c\/script\u003e","brand":"East Supplier Platform","offers":[{"title":"Default Title","offer_id":46169335595231,"sku":"1005005232897442-Default Title","price":18.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S9ee6d88262ec4f0a98e1791f5a7643b93.webp?v=1722044039","url":"https:\/\/eastsupplier.cn\/zh-cn\/products\/a-c-ac-air-conditioner-conditioning-compressor-magnetic-clutch-coil-sd7v16-for-changan-cs75-cs55-cs35-1-5t-8103100-cd02","provider":"EastSupplier Platform","version":"1.0","type":"link"}