- Specification
- Description
🚗 Genuine Suzuki Splash/Ritz ECU — 33920-83K40 | Bosch MOTRONIC 0261S07324
| Part Number | 33920-83K40 / 33920M83K40 |
| Bosch Hardware | 0 261 S07 324 (0261S07324) |
| Platform | MOTRONIC |
| Part Name | Controller Assy, EPI |
| Engine Type | K12B (1.2L 4-Cylinder Petrol) |
| Transmission | AT (Automatic) |
| Calibration Code | A4 |
| Manufacturer | Bosch (Made in India) |
| Brand | Suzuki Genuine OEM |
| Condition | Brand New — Original Sealed |
| Quantity | 1 Piece |
✅ Compatible Vehicles (Official Suzuki Data)
| Brand | Model | Model Code | Year |
|---|---|---|---|
| Suzuki | Splash / Ritz (AT) | A5E312 | 2010–Present |
⚠️ CRITICAL: This ECU (33920M83K40 A4) is specifically for Suzuki Splash/Ritz A5E312 with K12B engine and AT transmission. Similar part numbers exist (33920M83K31 for MT) with different calibrations. Verify EXACT part number match with your old ECU before purchase. Wrong fitment will NOT work.
🔧 What Is This Part?
The Controller Assy, EPI — Part No. 33920-83K40 (33920M83K40) — is the Engine Control Unit (ECU) for Suzuki Splash/Ritz. Manufactured by Bosch with MOTRONIC platform 0261S07324, this ECU controls fuel injection, ignition timing, idle control, and automatic transmission functions. Made in India.
Primary Application: Suzuki Splash/Ritz A5E312 (2010 onwards) with K12B engine and AT transmission.
⚠️ Faulty ECU Symptoms
- 🔴 Check Engine Light ON — Persistent CEL
- 🔄 Engine Misfiring / Rough Idle
- 🐢 Poor Acceleration & Power Loss
- ⛽ Decreased Fuel Efficiency
- 🔇 Engine Stalling / Hard Starting
- ⚙️ AT Transmission Issues — Gear shifting problems
🛠️ Important: Programming Required
⚠️ WARNING: This ECU requires immobilizer programming and key matching at an authorized Suzuki service center. Without programming, the car will NOT start. Professional installation is mandatory.
📦 What's Included
- 1 x Genuine Suzuki ECU (33920-83K40 / 33920M83K40)
- Original sealed packaging
- Barcode verification sticker
🚫 No Warranty / Return After Fitting Policy
⚠️ IMPORTANT:
- No warranty after fitting: Electronic component — once installed, no return or warranty claim accepted.
- DOA only: Warranty valid only for Dead on Arrival — defective BEFORE fitting.
- Test before fitting: Get it tested by a professional technician before installation.
- Verify compatibility: Check VIN and old ECU part number match before purchase.
🌟 Product Highlights
- ✅ Genuine Suzuki / Bosch ECU — Not a clone
- ✅ Direct Replacement — Same as factory fitted
- ✅ Restores Engine + AT Performance — Smooth idle & gear shifts
- ✅ K12B AT Specific — For automatic transmission models
- ✅ Made in India — Original OEM quality
🌍 Worldwide Shipping
We ship all over the world via DHL, FedEx, and Aramex. Secure packaging with tracking number provided.
Suzuki Splash ECU, 33920-83K40, 33920M83K40, Bosch MOTRONIC, 0261S07324, Controller Assy EPI, Suzuki Ritz ECU, K12B Engine, Splash AT, Ritz AT, Engine Control Module, A5E312, Made in India





