MOPAR RL276787AA Automatic Transmission 2.7L

( Brand: Mopar ), ( Manufacturer Part Number: RL276787AA ), ( Type: Automatic Transmission )

Review MOPAR Automatic Transmission Assembly Dodge 2.7l fits MAGNUM 2008

The **Mopar RL276787AA Automatic Transmission** is a high-performance, factory-specification transmission designed exclusively for the 2008 Dodge Magnum equipped with the 2.7L V6 engine, ensuring seamless integration and optimal performance. This precision-engineered unit is built to deliver smooth, reliable shifting while maintaining the robust durability expected from Mopar s legendary aftermarket components. Crafted with high-quality materials and advanced manufacturing techniques, this transmission features a robust torque converter with a clutch pack that enhances acceleration and responsiveness, making it ideal for both daily driving and spirited performance applications. The internal gearing and planetary system are meticulously balanced to handle the torque output of the 2.7L engine, providing effortless power delivery while minimizing wear and tear over time. Whether you're restoring a classic Magnum, upgrading an existing vehicle, or seeking a trusted replacement for a failed transmission, this Mopar unit offers the confidence of OEM-level quality without the hassle of sourcing original equipment parts. Its compatibility with the 2008 model year ensures a perfect fit, including alignment with the factory wiring harness, mounts, and fluid specifications, allowing for a straightforward installation process. Built to last, this transmission is a testament to Mopar s commitment to performance, reliability, and authenticity, making it the ideal choice for enthusiasts who demand nothing less than factory precision.

### **Pros and Cons of Buying a 2008 Dodge Magnum 2.7L with a Mopar RL276787AA Automatic Transmission**

#### **Pros**

1. **Reliability of the Transmission**

The **RL276787AA** is a **4-speed automatic transmission** (likely the **42LE or 42RE**) used in many Chrysler/Dodge trucks and SUVs from the late 2000s. While not as robust as later models, it is a **well-known and serviceable transmission** when properly maintained. Many owners report that with **regular fluid changes and basic upkeep**, it can last **150,000 miles** without major issues.

2. **Affordability**

The **2008 Dodge Magnum 2.7L** is a **budget-friendly used vehicle**, especially compared to newer models. The **2.7L Magnum V6** is a **reliable engine** when maintained, and the **4-speed automatic** keeps costs lower than a **6-speed or 8-speed transmission**.

3. **Good for Hauling & Towing (Within Limits)**

The **Magnum is a full-size SUV**, meaning it has **strong frame rails, a high ground clearance, and decent towing capacity** (up to **5,000 lbs** with a proper hitch). This makes it useful for **light-duty towing, camping, or family hauling**.

4. **Available Parts & Aftermarket Support**

Being a **Chrysler/Dodge vehicle**, parts are **widely available** at auto parts stores (O Reilly, AutoZone, etc.). The **2.7L engine and 4-speed transmission** have a **large aftermarket presence**, meaning repairs and upgrades are easier to find.

5. **Comfortable & Spacious Interior**

The **Magnum has a roomy cabin**, making it a good choice for **families or those who need extra passenger space**. The **rear seats fold flat**, adding to its utility for hauling.

6. **Lower Fuel Costs (Compared to V8 Models)**

The **2.7L V6** is more fuel-efficient than a **5.7L or 6.1L V8**, making it **cheaper to run** than a muscle-oriented Dodge truck.

---

#### **Cons**

1. **Transmission Weaknesses & Potential Failures**

The **4-speed automatic (42LE/42RE)** in this transmission family is **known for failing over time**, especially if **transmission fluid was never changed or was neglected**. Common issues include:

- **Slipping gears**

- **Delayed engagement**

- **Rough shifting**

- **Complete failure (requiring a rebuild or replacement)**

- **Solenoid or valve body failures** (expensive repairs)

- **Torque converter issues** (common in high-mileage examples)

A **transmission rebuild can cost $1,500 $3,000**, while a **used/refurbished transmission** may run **$1,200 $2,500 installed**.

2. **Poor Fuel Economy for a Large SUV**

The **2.7L V6** gets **around 14 16 MPG city / 20 22 MPG highway**, which is **better than a V8 but still inefficient** for a full-size SUV. If you do **a lot of highway driving**, fuel costs add up quickly.

3. **Outdated Safety & Technology**

- **Modern safety features** (no standard stability control, poor crash test ratings)

- **Advanced driver aids** (no lane-keeping, blind-spot monitoring, or adaptive cruise)

- **Modern infotainment** (if equipped, the system is **clunky and outdated**)

- **Poor fuel efficiency compared to modern hybrids or turbocharged engines**

4. **Rust & Corrosion Issues**

Many **Dodge trucks/SUVs from this era** suffer from **rust in the wheel wells, frame rails, and undercarriage**, especially in **snowy or salted climates**. A **pre-purchase inspection is crucial** to check for structural rust.

5. **High Maintenance Costs Over Time**

- **Timing belt & water pump replacement** (every **60,000 100,000 miles**)

- **Suspension wear** (shocks, bushings, control arms degrade over time)

- **Brake system upgrades** (many have **poorly rated brake pads and rotors**)

- **Exhaust leaks** (common in this engine family)

6. **Discontinued & Hard to Find Parts**

While parts are **still available**, some **niche components** (like **specific sensors or wiring harnesses**) may become harder to find as time goes on.

7. **Resale Value is Low**

The **Magnum is not a highly sought-after vehicle**, so **resale value depreciates quickly**. If you plan to sell later, you may not get much back.

---

### **Ending Conclusion & Recommendation**

#### **Who Should Buy This Vehicle?**

- **Budget-conscious buyers** who need a **reliable, affordable used SUV** for **light towing, hauling, or family use**.

- **Owners who plan to **maintain it well** (regular **transmission fluid changes, oil changes, and inspections**).

- **Those who don t need modern tech** and are okay with **outdated safety features**.

- **People who can **handle minor repairs** (or have a mechanic they trust for transmission work)**.

#### **Who Should Avoid This Vehicle?**

- **Those who prioritize **fuel efficiency** (better options exist in modern SUVs).

- **Buyers who **can t afford transmission repairs** (if the transmission is failing, it will be expensive to fix).

- **People in **snowy/salty climates** without **proactive rust prevention**.

- **Those who want **modern safety features** (airbags, stability control, etc.).

- **Heavy towing users** (the **2.7L V6 is not built for extreme loads**).

If you **find a well-maintained 2008 Dodge Magnum 2.7L with a **properly serviced transmission** (with **service records proving fluid changes**), it can be a **solid budget buy** for **basic hauling and daily driving**. However, **expect higher long-term costs** if the transmission or engine is neglected.

1. **Get a pre-purchase inspection** (focus on **transmission, rust, and suspension**).

2. **Check transmission fluid condition** (burnt smell, dark color bad).

3. **Test drive for **smooth shifting and no hesitation**.

4. **Verify service history** (especially **transmission and timing belt maintenance**).

5. **Budget for potential repairs** (transmission rebuild, rust repairs, suspension work).

- If you need **better fuel economy**, look at a **used Honda Pilot, Toyota Highlander, or Ford Explorer**.

- If you need **stronger towing**, consider a **used Ram 1500 (3.6L Pentastar) or Ford F-150 (3.5L EcoBoost)**.

- If you want **modern safety**, a **2015 SUV with standard stability control** is a better long-term choice.

The **2008 Dodge Magnum 2.7L with a 4-speed automatic** can be a **good used buy if maintained properly**, but it is **not a high-reliability, low-cost long-term vehicle**. If you **find one in excellent condition with a fresh transmission fluid change and no rust**, it may be worth considering but **be prepared for potential transmission issues down the road**. For most buyers, **newer used SUVs offer better value and reliability**.

Details:

part #: rl276787aa price

• $400.00

specifications autotransmissionsgo:

• for models: Magnum
• for makes: Dodge, Mopar
• for years: 2008
• brand: Mopar
• mpn: Rl276787aa
• type: Automatic Transmission

returns autotransmissionsgo:

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

seller autotransmissionsgo:

• city: Montgomery, Alabama
• rating: 100.0%
• # reviews: 468

general autotransmissionsgo:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission

payments autotransmissionsgo:

• other
• wallet: Apple-pay
• credit card: Visa

offer autotransmissionsgo:

• availability: In Stock
• options: Seller-arranged-local-pickup
• sold: 0
• best offers: True
• started: March 23, 2026
• quantity: 1

shipping autotransmissionsgo:

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