JE PISTONS 927-2750-13-93S Wrist Pin Steel Spiral 193564007513 .927 2.75

( Brand: Je Pistons ), ( Manufacturer Part Number: 927-2750-13-93S ), ( Part Type: Pin ), ( Air Restricted: No ), ( UPC: 193564007513 )

Review JE PISTONS Wrist Pin Series .927 In Diameter 2.75 Long Steel Spiral fits 1993

The **Je Pistons 927-2750-13-93S Wrist Pin (Part Number: 93 927 2.75)** is a precision-engineered component designed specifically for high-performance and reliability in turbocharged and naturally aspirated 2.7-liter Mercedes-Benz engines, particularly those from the M116 and M117 series, such as the iconic 300 SEL, 400 SEL, and 500 SEL models from the late 1970s and early 1980s. Crafted from **high-grade steel**, this spiral-wound wrist pin is built to withstand extreme stress, high RPM loads, and the intense thermal cycling inherent in forced induction applications, ensuring optimal piston-to-wrist pin clearance and durability over extended periods of use. The **93-series designation** indicates a specialized design optimized for engines with a **2.75-inch (69.85 mm) bore**, providing a snug yet forgiving fit within the piston s wrist pin bores, reducing the risk of binding or excessive wear while maintaining structural integrity under heavy loads. The **spiral groove** along the pin s surface serves a critical function by trapping and channeling lubricant directly to the critical contact points between the pin and piston, minimizing friction and preventing premature scoring or galling common issues in high-stress applications. This feature is particularly advantageous in turbocharged setups, where oil flow can be compromised by elevated temperatures and pressure differentials. The **927-2750-13-93S** is also compatible with aftermarket piston kits and rebuilds, making it a versatile upgrade for enthusiasts seeking to restore stock performance or enhance power output in classic Mercedes-Benz engines. Whether used in a meticulously restored original engine or a heavily modified turbocharged setup, this wrist pin delivers the robustness and precision required to maintain peak efficiency, reduce internal friction, and extend the lifespan of the entire piston assembly. Its compatibility with modern lubricants and high-performance oils further ensures long-term reliability, making it an indispensable component for both restoration projects and high-performance builds.

### **Pros and Cons of buying a Jeep Pistons 927-2750-13-93S Wrist Pin (93 927 2.75 Steel Spiral)**

1. **OEM Quality and Compatibility** This is an original equipment (OEM) or high-quality aftermarket part designed specifically for the 2.7L Jeep engine (commonly found in the 1993 1996 Jeep Cherokee, Grand Cherokee, and Wrangler). It ensures a proper fit and avoids potential clearance issues that can arise with non-matching parts.

2. **Steel Construction** The steel material is durable and resistant to wear, making it suitable for high-performance or heavy-duty applications. Steel wrist pins are less prone to bending or breaking under stress compared to aluminum or lighter alloys.

3. **Spiral Groove Design** The spiral groove in the wrist pin helps retain the piston ring s lubrication, reducing friction and wear between the piston and pin. This can improve engine efficiency and longevity, especially in high-mileage or modified engines.

4. **Reliability for High-Mileage Engines** If your engine has significant mileage (100,000 miles) or shows signs of wear (knocking, oil consumption, or compression loss), replacing the wrist pins can restore performance and prevent catastrophic failure (e.g., a piston seizing or breaking).

5. **Prevents Costly Engine Damage** A failing wrist pin can lead to catastrophic engine damage, including bent connecting rods, scored cylinder walls, or a seized engine. Replacing them proactively can save thousands in repair costs.

6. **Aftermarket Trustworthiness** Jeep s official parts (or reputable aftermarket brands like **Fel-Pro, AC Delco, or Moroso**) are known for quality control. This part is likely backed by warranties or return policies, offering peace of mind.

7. **Easy Installation** Wrist pins are relatively straightforward to replace, especially if you have basic mechanical experience. The process involves removing the pistons, installing the new pins with the correct tools (pin driver, press, or hammer and drift), and reassembling the engine.

8. **Cost-Effective for Long-Term Use** While the upfront cost may seem high, replacing worn wrist pins extends the life of your engine, avoiding more expensive overhauls or engine swaps.

---

1. **High Upfront Cost** Wrist pins are not cheap, especially when buying in bulk (e.g., a full set for all cylinders). For a 2.7L V6, you may need **4 6 pins** (depending on whether you re replacing just the top or all pins). Prices can range from **$50 $150 per pin**, depending on the brand and whether they re new or refurbished.

2. **Labor-Intensive Replacement** Replacing wrist pins requires **full engine disassembly** (removing the head, valves, and pistons). This is a **multi-hour job** for a mechanic, costing **$500 $1,500 ** in labor, depending on the shop. DIYers may save money but risk mistakes if not experienced.

3. **Potential for Misalignment or Damage** If the pins are not installed correctly (e.g., not fully seated, cross-threaded, or improperly pressed), they can cause **engine knocking, oil leaks, or even binding**. Using the wrong tools (e.g., hammering instead of a press) can damage the pin or bore.

4. **Wear on Other Components** If the engine has been running with worn wrist pins, other parts (e.g., connecting rods, crankshaft journals, or cylinder walls) may also be damaged. A full engine rebuild may be necessary, increasing costs.

5. **Limited Lifespan in Severe Conditions** While steel pins are durable, they can still wear out in **high-performance, turbocharged, or heavily modified engines**. In such cases, **forged or aftermarket high-performance pins** (e.g., **Clevite, Mahle, or JE Pistons**) may be better suited.

6. **Availability and Counterfeit Risks** Some aftermarket parts may be **counterfeit or low-quality**. Always buy from **reputable dealers** (Jeep dealerships, RockAuto, Summit Racing) to avoid fakes that could fail prematurely.

7. **Not Always Necessary for Minor Issues** If your engine is running fine with no **knocking, oil consumption, or compression loss**, replacing wrist pins may be **premature**. Focus on addressing the root cause (e.g., low oil pressure, carbon buildup) first.

---

Replacing the **Jeep 927-2750-13-93S steel spiral wrist pins** is a **wise investment** if your engine shows signs of wear, knocking, or oil-related issues. The **steel construction and spiral groove** make them a **durable, high-performance choice** for stock or lightly modified engines. However, the **high cost and labor-intensive installation** mean it s not a decision to take lightly.

If your engine is **high-mileage, modified, or showing symptoms of failure**, the **benefits (extended engine life, prevented catastrophic damage) outweigh the costs**. If your engine is **healthy with low miles**, this may not be an immediate necessity.

- **Replace the wrist pins immediately** as part of a **full engine rebuild or overhaul**. Pair this with **new pistons, rings, and bearings** for maximum reliability.

- **Use OEM or high-quality aftermarket pins** (e.g., **Fel-Pro, Moroso, or JE Pistons**) to ensure longevity.

- **Have a mechanic inspect the connecting rods, crankshaft, and cylinder walls** to check for damage before installation.

- **Monitor for symptoms** (knocking, oil leaks, compression loss). If nothing is wrong, **delay replacement** unless you re preparing for a major engine project.

- **Consider a preventive replacement** if you plan to **modify the engine** (turbo, forced induction) in the near future.

- If replacing all pins is too expensive, **prioritize the worst-worn ones** (check for **play in the pin or scoring**).

- **Shop around for deals** some parts stores offer discounts on bulk piston sets.

- **If experienced**, DIY installation can save **$500 $1,000 ** in labor.

- **If unsure**, hire a **reputable mechanic** to avoid costly mistakes.

For a **1993 1996 Jeep 2.7L engine showing wear**, these **steel spiral wrist pins are a solid, reliable choice**. The **long-term engine protection and performance benefits** justify the cost, especially if you plan to keep the vehicle for years. However, **only replace them if necessary** don t overhaul a healthy engine unless you have a specific goal (e.g., forced induction). Always **verify compatibility** and **use proper installation techniques** to ensure success.

Details:

The wall thickness of 0.130 inches provides a balance strength and weight savings, essential for maintaining engine integrity during demanding operation. Material: High-quality steel for durability and reliability. The JE Pistons Wrist Pin 93 Series Part Number 927-2750-13-93S is engineered for high-performance engine applications requiring precise fit and durability. The spiral lock design ensures secure retention within the piston and connecting rod assembly, reducing risk of disgorgement under high-stress conditions.

Crafted from high-quality steel, this wrist pin features a diameter of 0.927 inches and length 2.75 inches, making it suitable for variety engine rebuilds modifications. Weighing approximately 116 grams, this component offers a reliable performance characteristic for racers and mechanics seeking longevity reliability in their engine builds. Design: Spiral lock for secure retention during operation. Whether you're rebuilding a classic engine or upgrading for increased horsepower, this steel wrist pin is dependable component to ensure your runs smoothly and efficiently miles come.

part #: 92727501393s prices

• $42.99-$67.70

specifications pistonrinro:

• for years: 1993
• brand: Je Pistons
• mpn: 927-2750-13-93s
• part type: Pin
• air restricted: No
• upc: 193564007513

general pistonrinro:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts

returns pistonrinro:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

payments pistonrinro:

• wallet: Apple-pay
• credit card: Diners-club
• other

shipping pistonrinro:

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

offer pistonrinro:

• quantity: 10
• started: April 23, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home

seller pistonrinro:

• city: Saint Paul, Minnesota
• # reviews: 45630
• rating: 98.5%

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