1. Automatic Transmissions Products
  2. sku: 23710572217113782
  3. GM TRUCKS 24259562

GM TRUCKS 24259562 Automatic Transmission Myc 90K

fits model: 1500, Sierra, Silverado. year: 2014–2019.

24259562 Gm Trucks 14-19 Sierra Silverado 1500 6 Speed Automatic Transmission Myc 90k

( Brand: Gm Trucks ), ( Manufacturer Part Number: 24259562 ), ( Type: Automatic Transmission ), ( Id: 6e3be48e-0374-47fa-827c-d05c18517e50 ), ( Interchange: 400-10023 ), ( Year: 16 )

Review GM TRUCKS Speed Automatic Transmission Myc 90k fits SIERRA SILVERADO 1500 2014–2019

The **GM 24259562** is a high-performance, factory-specification **6-speed automatic transmission** designed exclusively for the **2014-2019 Chevrolet Silverado 1500 and GMC Sierra 1500** with the **5.3L V8 EcoTec3 engine**, ensuring seamless power delivery and durability for heavy-duty towing, hauling, and off-road adventures. Engineered with precision, this transmission features a **robust torque converter** optimized for the V8 s robust output, providing smooth shifts and enhanced efficiency while maintaining the vehicle s signature towing capacity of up to **9,600 lbs** when properly equipped. The **6-speed automatic** architecture delivers crisp, responsive gear engagement, reducing strain on the drivetrain and improving fuel economy in both highway and stop-and-go driving conditions. Built with **high-strength steel components** and advanced internal lubrication systems, this transmission is engineered to withstand the rigors of demanding work environments, including prolonged idling, extreme temperatures, and heavy loads. Its **durable valvetrain and hydraulic control system** ensure reliable operation, minimizing the risk of premature wear or failure critical for fleet operators, contractors, and enthusiasts who rely on their trucks for consistent performance. Whether used in a daily driver, a workhorse pickup, or a modified performance vehicle, the **GM 24259562** transmission delivers the robustness and adaptability required to handle the most challenging applications while preserving the Silverado/Sierra s legendary towing and payload capabilities. For those seeking a direct replacement or an upgrade, this transmission is a **factory-matched, OEM-quality solution** that restores or enhances the vehicle s performance with minimal modifications, making it an ideal choice for restorers, mechanics, and owners prioritizing longevity and power.

### **Pros and Cons of Buying a 2014 2019 GM 24259562 (1500 Sierra Silverado with Automatic Transmission)**

#### **Pros**

1. **Reliability and Durability** The 2014 2019 Chevrolet Silverado 1500 is known for its robust build, especially with the 5.3L V8 (VORTEC 5300) or 6.2L V8 (Duramax diesel) engines. These engines are well-built and can last well over 200,000 miles with proper maintenance.

2. **Strong Resale Value** The Silverado holds its value better than many competitors, making it a solid long-term investment.

3. **Versatility** Available in multiple trims (LT, LTZ, Custom, High Country, etc.) and configurations (crew cab, extended cab, short/long bed), it suits various needs from work trucks to family haulers.

4. **Comfortable Ride** The 1500 is designed for both on-road comfort and off-road capability, with options like available air suspension (in some trims) and a smooth automatic transmission (6-speed or 6-speed with manual shift).

5. **Available Tech & Features** Later models (2016 ) come with modern amenities like Apple CarPlay/Android Auto, backup cameras, and improved infotainment systems. Even older models can be upgraded with aftermarket tech.

6. **Strong Towing & Hauling** With the right engine and package (Heavy-Duty or Duramax diesel), this truck can tow up to **12,000 lbs** and haul significant payloads, making it ideal for work or outdoor adventures.

7. **Aftermarket Support** The Silverado has a large aftermarket following, meaning parts, upgrades (lift kits, exhaust, suspension), and tuning options are widely available.

8. **Fuel Efficiency (Compared to V8s)** The 2016 models with the **2.7L EcoTec3 I4** (in some trims) offer better MPG ( 18 city/26 highway) than the V8s, though towing capability is reduced.

9. **Available Off-Road Capability** The **ZR2** (2017 ) and **Off-Road Package** (available in some years) provide enhanced ground clearance, skid plates, and locking rear differentials for serious off-road use.

10. **Lower Cost of Ownership (Compared to Competitors)** Maintenance and repairs are generally more affordable than Ford F-150s or Ram 1500s, especially for non-diesel models.

---

#### **Cons**

1. **Rust Issues (Especially in Snow Belt Regions)** Older Silverados (pre-2017) are prone to rust, particularly in the wheel wells, rocker panels, and undercarriage. Always inspect for rust before buying.

2. **Transmission Problems (Early 6T70/6T75 Automatics)**

- **2014 2016 models** with the **6T70** (V8) or **6T75** (I4) transmissions have had reports of rough shifting, delayed engagement, and premature wear.

- **2017 models** improved with the **6T75W**, but some still experience issues if not maintained properly.

- **Solution:** Check transmission fluid levels and condition, and consider a transmission flush if the truck has high mileage.

3. **Engine Issues (VORTEC 5300 & Duramax Diesel)**

- **5.3L V8 (VORTEC 5300):** Generally reliable but can develop **oil leaks** (valve cover, oil pan) and **timing chain stretch** over time.

- **6.2L Duramax Diesel:** While powerful, it has **common rail fuel system failures**, **turbocharger issues**, and **DPF/EGR problems** if not properly maintained. Expect higher repair costs if buying a diesel.

4. **Interior Quality (Lower Trims)**

- **LT and Custom trims** have cheaper plastics and less sound insulation, leading to a noisier cabin.

- **Higher trims (LTZ, High Country)** offer better materials but come at a premium.

5. **Fuel Economy (V8 Models)**

- The **5.3L and 6.2L V8s** average **12 15 MPG combined**, making them less efficient than modern turbocharged engines or the I4.

6. **Recall History**

- Some models (especially 2014 2016) had recalls for **ignition issues, airbag defects, and fuel pump failures**. Check the **NHTSA website** for open recalls before purchasing.

7. **Resale Depreciation**

- While it holds value better than some trucks, the Silverado still loses ** 20% in the first 3 years**, so if you plan to sell soon, factor that in.

8. **Limited Modern Safety Features (Pre-2017 Models)**

- Older models lack **standard forward collision warning, automatic emergency braking, or lane-keep assist**, which are now common in newer trucks.

9. **High Maintenance Costs (Diesel Models)**

- The **Duramax diesel** requires **specialized fuel (B20 diesel)**, **more frequent DPF/EGR cleaning**, and **expensive turbocharger replacements** if neglected.

10. **Comfort in Rough Roads**

- The **stock suspension** can be firm, leading to a less comfortable ride on rough highways compared to trucks with air suspension or adaptive damping.

---

### **Ending Conclusion**

The **2014 2019 GM 24259562 Silverado 1500** is a **solid workhorse truck** that excels in towing, durability, and aftermarket support. It remains a **smart choice for buyers** who prioritize **reliability, resale value, and versatility**, especially if maintained properly.

However, **potential buyers should be cautious of:**

- **Transmission issues** (especially in older models).

- **Rust problems** (critical in snowy/salty regions).

- **Engine-specific weaknesses** (oil leaks in V8s, diesel fuel system failures).

- **Interior quality** (if buying a lower trim).

**If you find a well-maintained example with a clean service history, especially a 2017 model with the updated transmission, it is a strong purchase.** If you re buying a **higher-mileage unit (150K miles)**, **budget for potential transmission or engine repairs**.

---

### **Final Recommendation**

**Buy if:**

You need a **reliable, high-towing work truck** for daily use.

You re okay with **maintenance costs** (especially for diesel or high-mileage V8s).

You **inspect for rust, transmission health, and service records** before purchasing.

You prefer **GM s warranty coverage** (if buying from a dealer with transferable warranty).

You want a **truck with strong aftermarket support** for modifications.

**Avoid if:**

You **can t afford potential transmission or engine repairs** (especially on older models).

You **live in a high-rust area** and the truck shows signs of corrosion.

You **prioritize fuel efficiency** over power (V8s are thirsty).

You **don t want to deal with diesel-specific maintenance** (if buying a Duramax).

You **need the latest safety tech** (pre-2017 models lack modern driver aids).

**Best Choice Within This Range:**

- **2017 Silverado 1500 (LTZ or High Country trim)** with the **6.2L Duramax diesel** (if you need serious towing) or **5.3L V8** (if you want balance of power and efficiency).

- **2016 with the 6T75W transmission** (better than early 6T70/6T75).

- **Always get a pre-purchase inspection** to avoid hidden issues.

**Alternative Consideration:**

If you find a **2020 Silverado 1500**, it s worth the slight premium for **improved transmissions, better tech, and modern safety features**. However, if you re on a budget, a **well-maintained 2017 2019 model** is still a **great value**.

Details:

Vehicle Stock #: 26211A. Labor coverage is available but sold separately. Condition: 90k. Model: GMC SIERRA 1500.

Part Stock #. Transmission Assay.

part #: 24259562 price

  • $849.99

specifications autotransmissionsgo:

  • for models: 1500, Sierra, Silverado
  • for years: 2014-2019
  • brand: Gm Trucks
  • mpn: 24259562
  • type: Automatic Transmission
  • id: 6e3be48e-0374-47fa-827c-d05c18517e50
  • interchange: 400-10023
  • year: 16

shipping autotransmissionsgo:

  • type: Fixed
  • service: Flat Rate Freight
  • cost: $350.00
  • class: Freight

general autotransmissionsgo:

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

offer autotransmissionsgo:

  • quantity: 1
  • started: May 4, 2026
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock

payments autotransmissionsgo:

  • wallet: Google-pay
  • other
  • credit card: Discover

returns autotransmissionsgo:

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

seller autotransmissionsgo:

  • rating: 99.6%
  • city: Roaring Spring, Pennsylvania
  • # reviews: 9791
for models: 1500, sierra, silverado, for years: 2014-2019, type: automatic transmission, id: 6e3be48e-0374-47fa-827c-d05c18517e50, interchange: 400-10023, year: 16,
category: auto parts > car truck parts accessories > transmission drivetrain > automatic transmission, sku: 23710572217113782,
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