1. Automatic Transmissions Products
  2. sku: 23994291102912773
  3. GM 24066728

GM 24066728 Automatic Transmission 1.3L 4KBN 6K

fits model: Fwd, Trailblazer. make: Chevrolet. year: 2021–2026.

24066728 Gm 2021-2026 Chevrolet Trailblazer 1.3l Fwd Automatic Transmission 4kbn 6k Oem

( Brand: Gm ), ( Manufacturer Part Number: 24066728 ), ( Part Type: Transmission ), ( Fitment Type: Direct Replacement ), ( Gear Count: Continuously Variable ), ( Bundle Listing: No ), ( Oe/oem Part Number: 42827910 )

Review GM Chevrolet 1.3l Automatic Transmission 6k Oem fits TRAILBLAZER FWD 2021–2026

The **GM 24066728** is a meticulously engineered **OEM replacement engine** designed to restore the performance, reliability, and efficiency of the **2021 2026 Chevrolet Trailblazer** equipped with the **1.3L turbocharged inline-4 (13X4) engine** paired with a **6-speed automatic transmission (4KBN)** and **front-wheel-drive (FWD)** configuration. This high-quality, factory-matched powertrain component is built to exacting specifications, ensuring seamless integration with the vehicle s drivetrain, emissions systems, and control modules. The **1.3L turbocharged engine** in the Trailblazer delivers a balanced blend of fuel efficiency and responsive power, making it ideal for both urban commuting and highway cruising. Its **turbocharged architecture** enhances torque output while maintaining a compact, lightweight design, contributing to the SUV s agile handling and efficient operation. The **4KBN 6-speed automatic transmission** is engineered for smooth shifting, optimized fuel economy, and robust durability, featuring advanced torque converter technology and precision-calibrated shift logic to adapt to driving conditions. Whether replacing a worn-out original engine or upgrading after a collision, this **OEM-certified unit** ensures compatibility with the Trailblazer s **4KBN transmission control system**, **ECU calibration**, and **underhood wiring harness**, eliminating the need for costly modifications. Built to meet **current emissions standards**, this engine is ready for immediate installation, offering drivers the confidence of a **factory-rebuilt performance** without compromising on quality or longevity. Perfect for certified pre-owned (CPO) restorations, salvage yard rebuilds, or accident repairs, the **GM 24066728** is a trusted choice for maintaining the Trailblazer s dynamic driving experience while ensuring long-term reliability.

### **Pros and Cons of Buying a 2021-2026 Chevrolet Trailblazer (GM 24066728, 1.3L FWD, Automatic Transmission, 4KBN, 6K)**

#### **Pros**

1. **Compact SUV Size and Maneuverability**

The Trailblazer is a smaller SUV compared to full-size models, making it easier to park, navigate tight spaces, and drive in urban environments. Its shorter length (179.9 inches) and lower ground clearance (8.3 inches) also help with city driving and off-road light trails.

2. **Fuel Efficiency**

The 1.3L turbocharged engine paired with a 6-speed automatic transmission delivers decent fuel economy for its class:

- **City:** 24 MPG

- **Highway:** 30 MPG

- **Combined:** 27 MPG

This is competitive for a compact SUV, especially with front-wheel drive (FWD), which avoids the slight efficiency penalty of AWD.

3. **Affordable Price Point**

The Trailblazer is positioned as Chevrolet s budget-friendly compact SUV, often priced lower than rivals like the Honda HR-V or Mazda CX-30. The 2021-2026 models (especially those with lower mileage or minor cosmetic updates) can be found at reasonable used prices, making them attractive for buyers on a budget.

4. **Comfortable Interior and Tech Features**

The cabin is spacious for its size, with decent headroom and legroom. It includes standard features like:

- **Apple CarPlay/Android Auto** (wireless in some trims)

- **6-inch touchscreen** (8-inch in higher trims)

- **Bluetooth connectivity**

- **Heated front seats** (on select trims)

- **Dual-zone automatic climate control**

The build quality is solid, though not as premium as rivals like the Toyota RAV4 or Hyundai Tucson.

5. **Reliability (Compared to Competitors)**

The 1.3L turbo engine (a GM Ecotec) is known for durability when maintained properly. Early models had some minor issues (e.g., oil dilution in cold climates), but these were addressed in later years. The automatic transmission is generally smooth, though some owners report occasional hesitation or delayed shifts common in CVT-like transmissions.

6. **Good Warranty Coverage (If Purchased New or CPO)**

If buying a certified pre-owned (CPO) Trailblazer, it may retain some warranty coverage (e.g., powertrain warranty extending to 100K miles). Even used models may have remaining factory warranty if purchased from a dealer.

7. **Light Off-Road Capability**

The Trailblazer offers a **4x4 (optional)** and **Terrain Management modes**, making it slightly more capable than FWD rivals. While not a true off-roader, it can handle light trails, snow, or gravel better than a Honda HR-V.

8. **Low Maintenance Costs**

Compared to larger SUVs, the Trailblazer has fewer complex systems (e.g., no V6 or diesel options), leading to lower long-term maintenance expenses. Routine services (oil changes, tire rotations) are affordable.

---

#### **Cons**

1. **Engine Power Limitations**

The 1.3L turbo engine (138 hp, 150 lb-ft torque) is adequate for city and highway driving but feels underpowered for towing, hauling, or highway passing. It struggles against crosswinds at highway speeds, and acceleration can feel sluggish compared to rivals like the Mazda CX-30 (2.0L engine) or Toyota RAV4 Hybrid.

2. **Transmission Issues**

The 6-speed automatic transmission (a GM "6L30") has been criticized for:

- **Delayed shifts** (especially in cold weather)

- **Hesitation or stalling** under heavy load

- **CVT-like behavior** (some drivers dislike the "creep" at low speeds)

While not catastrophic, these quirks can be annoying for daily driving.

3. **Ride Quality**

The Trailblazer s suspension is firm, prioritizing handling over comfort. On rough roads, the ride can feel bouncy, and body roll is noticeable at higher speeds. This is less forgiving than softer suspensions found in the Honda HR-V or Subaru Crosstrek.

4. **Resale Value**

The Trailblazer has a **lower resale value** compared to competitors like the RAV4, CR-V, or Mazda CX-30. This is partly due to its lower starting price and perceived lack of premium features.

5. **Infotainment Limitations**

The base model s **6-inch screen** feels outdated compared to rivals with larger displays (e.g., 10.2-inch in some Mazda or Toyota models). The touchscreen can be slow to respond, and the rearview camera is only standard on higher trims.

6. **Interior Material Quality**

While functional, the cabin uses **plastic-heavy materials** that feel less premium than rivals. The steering wheel and gear shifter are firm, and some trims lack leather seating (only available on higher trims).

7. **Rear Seat Space**

While adequate for adults, the rear seats are **narrower** than in larger SUVs, making long trips less comfortable for three passengers. Legroom is tight for taller individuals.

8. **Limited Off-Road and Towing Capability**

Even with 4x4, the Trailblazer is not a true off-roader. It lacks features like locking differentials, all-wheel-drive (AWD) capability, or significant ground clearance. Towing capacity is **only 1,500 lbs** (with a trailer tow package), which is lower than many competitors.

9. **Early Model Teething Issues**

Some 2021-2022 Trailblazers had reports of:

- **Oil dilution** in cold climates (leading to rough starts)

- **Check engine lights** due to minor sensor issues

- **Electrical gremlins** (e.g., infotainment resets)

These issues were largely fixed in later model years, but buyers should check maintenance records.

10. **Dealer Markup on Used Models**

Since the Trailblazer is a newer model, used inventory may still carry **high dealer markups**, especially for low-mileage examples. Buyers should compare prices across dealers and consider private-party sales.

---

### **Conclusion**

The **2021-2026 Chevrolet Trailblazer (1.3L FWD, automatic)** is a **solid budget-friendly compact SUV** that excels in fuel efficiency, maneuverability, and affordability. It s ideal for:

- **City drivers** who prioritize parking ease and low running costs.

- **Budget-conscious buyers** who want a reliable, no-frills SUV without premium pricing.

- **Light off-road enthusiasts** who occasionally need 4x4 capability.

- **Short-term or commuter owners** who don t need high performance or luxury features.

However, it has **noticeable drawbacks** for those seeking:

- **More power** (the 1.3L engine feels weak for highway passing).

- **A smoother ride** (firm suspension may not suit long highway trips).

- **Premium interior materials** (plastic-heavy cabin feels less refined).

- **Strong resale value** (depreciates faster than rivals like the RAV4).

- **Advanced tech** (smaller screen and slower infotainment).

If you **prioritize practicality, fuel savings, and low cost** over luxury or power, the Trailblazer is a **good choice**. If you want a **more engaging drive, better ride comfort, or higher resale value**, consider alternatives like the **Mazda CX-30, Honda HR-V, or Toyota RAV4**.

---

### **Recommendation**

**Buy the Chevrolet Trailblazer if:**

You need a **small, fuel-efficient SUV** for city driving.

You want **affordable upfront and maintenance costs**.

You occasionally need **light off-road capability** (4x4).

You re okay with **a firm ride and basic interior features**.

You find a **well-maintained example** (preferably with a **service history** and **no check engine lights**).

**Avoid the Trailblazer if:**

You **frequently tow or haul heavy loads** (towing capacity is limited).

You **prioritize a smooth, quiet ride** (suspension is firm).

You **want a more powerful engine** (1.3L feels underpowered).

You **plan to keep it long-term** (resale value is weaker than competitors).

You **prefer a premium interior** (materials feel utilitarian).

**Alternatives to Consider:**

- **Mazda CX-30** (better handling, premium feel, stronger engine)

- **Honda HR-V** (more refined, better tech, stronger resale)

- **Toyota RAV4** (more reliable long-term, better towing, hybrid option)

- **Hyundai Tucson** (more cargo space, better warranty, AWD available)

**Final

Details:

TRANSMISSION: CONTINUOUSLY VARIABLE CVT / 4KBN. MILEAGE: 4K MILES. BODY TYPE: SPORT UTILITY 4-DOOR SUV. COLOR: EXTERIOR BLACK MEET KETTLE GB8 / WA384A.

part #: 24066728 prices

  • $847.88-$1094.99

specifications autotransmissionsgo:

  • for models: Fwd, Trailblazer
  • for makes: Chevrolet
  • for years: 2021-2026
  • brand: Gm
  • mpn: 24066728
  • part type: Transmission
  • fitment type: Direct Replacement
  • gear count: Continuously Variable
  • bundle listing: No
  • oe/oem part number: 42827910

offer autotransmissionsgo:

  • options: Ship-to-home
  • quantity: 1
  • best offers: True
  • availability: In Stock
  • started: May 29, 2026
  • sold: 0

returns autotransmissionsgo:

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

shipping autotransmissionsgo:

  • service: Economy
  • type: Fixed
  • transit: 4-10 Days
  • class: Economy
  • cost: $300.00

seller autotransmissionsgo:

  • rating: 99.9%
  • city: Kingsley, Michigan
  • # reviews: 66210

payments autotransmissionsgo:

  • credit card: Visa
  • wallet: Paypal
  • other

general autotransmissionsgo:

  • Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
  • condition: Used
for models: fwd, trailblazer, for makes: chevrolet, for years: 2021-2026, part type: transmission, fitment type: direct replacement, gear count: continuously variable, bundle listing: no, oe/oem part number: 42827910,
category: auto parts > car truck parts accessories > transmission drivetrain > automatic transmission, sku: 23994291102912773,
Gm 24066728 Is Similar To:
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2 offers $847.88–$1094.99 USD
  • Used. Offer #1 priced at $1094.99 + $0.00 shipping estimate = $1094.99* total. FREE SHIPPING
  • Used. Offer #2 priced at $847.88 + $0.00 shipping estimate = $847.88* total. Part/Notes: AUTOMATIC TRANSMISSION 130K MI - CHECK.FREE SHIPPING

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