1. Engine Cooling Components Deals
  2. sku: 20478752703857721
  3. REIN SX-7A1P

REIN SX-7A1P Thermostat Head Coolant Hose Connector Vw 3.0L L6

fits model: 135is. make: Bmw. year: 2013.

Sx-7a1p Rein Thermostat To Head Coolant Hose Connector For 2013 Bmw 135is 3.0l L6 Vw

( Brand: Rein ), ( Manufacturer Part Number: SX-7A1P ), ( Ipn: C358 32-65 ), ( Placement On Vehicle: Belts Cooling Hoses Pipes ), ( Core Charge: Free No Core Charge ), ( Position: Thermostat To Head ), ( Type: Engine Coolant Hose Connector ), ( Universal Fitment: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Rein Engine Coolant Hose Connector )

Review REIN Thermostat To Head Coolant Hose Connector Bmw 3.0l L6 Vw fits 135IS 2013

The **Rein SX-7A1P Thermostat Head Coolant Hose Connector** is a precision-engineered replacement part designed specifically for the **2013 BMW 135i (3.0L L6) and compatible Volkswagen models**, ensuring a seamless and reliable fit for your vehicle s cooling system. Crafted from high-quality **rubber and reinforced synthetic materials**, this hose connector is built to withstand the demanding thermal and pressure conditions of modern high-performance engines, providing long-lasting durability and resistance to oil, coolant, and environmental degradation. The **reinforced construction** ensures a secure, leak-free connection between the thermostat housing and the engine s coolant system, preventing coolant leaks that could lead to overheating a critical concern for the **3.0L L6 inline-six engine** found in both the BMW 135i and its Volkswagen counterparts. This connector features a **tight, interference-fit design** that mimics the original equipment manufacturer (OEM) specifications, guaranteeing a proper seal while allowing for easy installation without the need for excessive force or special tools. Whether you're performing routine maintenance or addressing a coolant leak, this **direct-fit replacement** eliminates the guesswork, ensuring compatibility with the **thermostat housing and coolant passages** of your vehicle s engine bay. Rein s commitment to quality and precision makes this an ideal choice for enthusiasts and mechanics alike, offering both performance reliability and peace of mind for those maintaining or restoring their **2013 BMW 135i or 3.0L L6-powered Volkswagen models**.

### Pros and Cons of buying a Rein SX-7A1P Thermostat Head Coolant Hose Connector for a 2013 BMW 135i (3.0L L6) / VW Compatible Part

#### **Pros:**

1. **Compatibility** The Rein SX-7A1P is designed to fit the 2013 BMW 135i (3.0L L6) engine, as well as compatible Volkswagen models, ensuring a direct replacement without major modifications. This reduces the risk of sizing issues or installation complications.

2. **Quality Materials** Rein is a reputable aftermarket brand known for producing durable, high-quality automotive parts. The thermostat housing and coolant hose connector are likely made from reinforced rubber and metal components, which should resist heat, pressure, and wear better than some cheaper alternatives.

3. **Easy Installation** The part is designed as a direct replacement, meaning it should fit into the existing mounting points without requiring extensive modifications to the engine bay. This makes it accessible for DIY enthusiasts or mechanics with basic tools.

4. **Prevents Coolant Leaks** A faulty or worn-out thermostat housing or coolant hose connector can lead to coolant leaks, overheating, or engine damage. Replacing this part proactively can prevent costly repairs down the line.

5. **Cost-Effective** Compared to OEM (Original Equipment Manufacturer) parts, aftermarket options like this one are typically more affordable while still providing reliable performance. This makes it a practical choice for budget-conscious buyers.

6. **Warranty Coverage** Rein often offers warranties on their parts, providing some assurance against manufacturing defects. This can be a valuable safety net if the part fails prematurely.

7. **Performance Consistency** Since the part is designed to replicate the function of the OEM component, it should maintain proper coolant flow and thermostat operation, helping the engine run efficiently and at the correct temperature.

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#### **Cons:**

1. **Potential Quality Variations** While Rein is a well-regarded brand, there is always a risk of receiving a subpar unit, especially if purchased from a third-party seller. Counterfeit or poorly manufactured parts can lead to early failure or leaks.

2. **Fitment Concerns** Although the part is advertised as compatible, slight variations in engine bay layouts or minor differences between BMW and VW applications could cause fitment issues. Always verify the part s positioning before installation.

3. **Limited Longevity Compared to OEM** Aftermarket parts may not last as long as genuine OEM components, particularly in high-stress environments. The lifespan can depend on the quality of the specific unit purchased and how well it s maintained.

4. **Installation Challenges** If the surrounding components (e.g., hoses, clamps, or the thermostat itself) are degraded, the installation process could be more difficult than expected. This might require additional cleaning, replacement of adjacent parts, or professional assistance.

5. **Compatibility with Other Systems** The thermostat housing and coolant hose connector work in tandem with the thermostat, water pump, and cooling system. If other components in this system are failing, replacing just this part may not fully resolve cooling issues. A diagnostic check is advisable before purchasing.

6. **Price Sensitivity** While aftermarket parts are generally cheaper, some buyers may perceive Rein as mid-range and prefer OEM or premium aftermarket brands for added peace of mind, which could increase the upfront cost.

7. **Availability of Genuine Parts** If the OEM part is still available (e.g., through BMW or VW dealers), some buyers may opt for it despite the higher cost, believing it offers superior reliability and warranty support.

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### **Conclusion:**

The Rein SX-7A1P thermostat head coolant hose connector is a solid aftermarket option for the 2013 BMW 135i (3.0L L6) and compatible VW models. It balances affordability, compatibility, and quality, making it a practical choice for those looking to address coolant leaks or upgrade their cooling system. However, buyers should exercise caution when purchasing to ensure they are getting an authentic Rein part and should verify fitment before installation. Additionally, addressing any underlying issues in the cooling system (e.g., thermostat, water pump, or hoses) simultaneously can maximize the part s effectiveness and longevity.

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### **Recommendation:**

- **Buy from a trusted source** Purchase the Rein SX-7A1P from a reputable online retailer (e.g., Amazon, RockAuto, or a BMW/VW specialty store) or a local auto parts shop with a good return policy. Avoid unknown sellers to minimize the risk of counterfeit or low-quality parts.

- **Inspect the part upon arrival** Check for manufacturing defects, proper labeling, and packaging integrity. If the part looks damaged or suspicious, request a replacement.

- **Perform a diagnostic first** Before replacing the connector, ensure the thermostat and other cooling system components (e.g., hoses, clamps, water pump) are in good condition. A leak could stem from elsewhere, and addressing all issues at once will prevent recurring problems.

- **Follow installation guidelines carefully** Refer to the included instructions or a trusted online guide (e.g., from BMW forums or YouTube tutorials) to ensure proper installation. Improper fitting can lead to leaks or damage.

- **Consider OEM if available** If the OEM part is reasonably priced and you prioritize long-term reliability, it may be worth the extra cost, especially if you plan to keep the vehicle for many years.

- **Monitor performance post-installation** After installation, keep an eye on the coolant level, engine temperature, and for any signs of leaks. If issues persist, consult a mechanic to diagnose further.

**Final Verdict:** The Rein SX-7A1P is a **good choice** for most buyers looking for a cost-effective, compatible replacement part. With proper sourcing and installation, it should effectively resolve coolant connector-related issues while maintaining the cooling system s integrity. However, always prioritize quality and thoroughness to avoid potential downsides.

Details:

Rein Thermostat To Head Coolant Hose Connector for 2013 BMW 135IS 3.0L L6 vw: Status: In Stock.

part #: sx7a1p price

  • $39.41

specifications ocoosys:

  • for models: 135is
  • for makes: Bmw
  • for years: 2013
  • brand: Rein
  • mpn: Sx-7a1p
  • ipn: C358 32-65
  • placement on vehicle: Belts Cooling Hoses Pipes
  • core charge: Free No Core Charge
  • position: Thermostat To Head
  • type: Engine Coolant Hose Connector
  • universal fitment: Direct Replacement
  • bundle description: 1 Pc Genuine Rein Engine Coolant Hose Connector

payments ocoosys:

  • other
  • wallet: Paypal
  • credit card: Visa

general ocoosys:

  • condition: New
  • Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

offer ocoosys:

  • sold: 0
  • quantity: 4
  • started: March 19, 2026
  • options: Ship-to-home
  • availability: In Stock

seller ocoosys:

  • city: Indianapolis, Indiana
  • rating: 99.6%
  • # reviews: 634694

shipping ocoosys:

  • type: Fixed
  • cost: $0.00
  • class: Standard, Expedited
  • transit: 2-5 Days
  • service: Standard, Expedited

returns ocoosys:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
for models: 135is, for makes: bmw, for years: 2013, placement on vehicle: belts cooling hoses pipes, core charge: free no core charge, position: thermostat to head, type: engine coolant hose connector, universal fitment: direct replacement, bundle description: 1 pc genuine rein engine coolant hose connector,
category: auto parts > car truck parts accessories > engine cooling components, sku: 20478752703857721,
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