Product Information
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OE Numbers: 92066487 / 14370
Bore Diameter: 60mm | Mechanical Type | Direct OEM Replacement | 12+24 Month Warranty | 100% Factory Tested
Vehicle Fitment – Compatible with:
| Make | Model | Engine | Years | Trim / Notes |
|---|---|---|---|---|
| Buick | Excelle /凯越 | 1.8L L4 (T18SED) | 2004 – 2008 | Manual Transmission ONLY (SGM7180 / SGM7181) |
⚠️ Important: This throttle body is designed for 1.8L T18SED naturally aspirated petrol engines in the Buick Excelle with manual transmission. Please verify your original OE number before ordering. Not compatible with 1.6L models, automatic transmission (see OE 92066488), or later generations without verification. The 60mm bore is the factory specification for this application.
ℹ️ OE Note:
92066487is the GM / Buick genuine OE number for the manual transmission variant.14370is an aftermarket cross‑reference number. For automatic transmission models, the correct OE number is92066488. This is a mechanical (cable‑operated) throttle body, not electronic drive‑by‑wire. The engine code is T18SED (1.8L 16V DOHC, 118 hp). Vehicle chassis codes: SGM7180 / SGM7181 (2004‑2008). Production years: 2004‑2007 with manual transmission (5‑speed manual gearbox).
OE Cross Reference – Match with your original part:
| Type | Part Number(s) |
|---|---|
| Buick / GM Main | 92066487 |
| Aftermarket Cross |
14370, CZM16A-60, 9015236 (older triangle plug – verify)
|
| Automatic Version (NOT compatible) |
92066488, CZM16B-60
|
ℹ️ *GM OE number 92066487 is the correct replacement for manual transmission Buick Excelle 1.8L. Dorman / aftermarket cross‑references include 14370. The automatic transmission variant uses a different throttle body (92066488) and is not compatible.
Technical Specifications
| Parameter | Specification |
|---|---|
| Design | 100% OEM specification – direct replacement |
| Product Type | Mechanical Throttle Body (Cable‑Operated) |
| Actuation Type | Throttle Cable (not electronic drive‑by‑wire) |
| Throttle Bore Diameter | 60 mm |
| Connector Type | Multi‑pin (Throttle Position Sensor + Idle Air Control Valve) |
| Mounting Hole Quantity | 4 |
| Housing Material | Die-cast Aluminum Alloy + Anti-corrosion Surface Treatment |
| Butterfly Valve Material | Stainless Steel |
| Seal Material | Oil-resistant Fluorine Rubber (Viton) |
| Included Components | Throttle Position Sensor (TPS) – integrated; Idle Air Control Valve (IACV / Stepper Motor) – integrated |
| Gasket Included | No (purchase separately – recommend new gasket) |
| Voltage | 12V |
| Fuel Type | Petrol / Gasoline (Naturally Aspirated) |
| Engine Family | GM T18SED / Family II (1.8L 16V DOHC) |
| Warranty | 12 months (general) / 24 months (motor & sensors) |
ℹ️ *This throttle body is a mechanical (cable‑operated) unit – not electronic. The throttle cable opens the butterfly valve directly. The integrated TPS and IAC stepper motor provide feedback and idle control to the ECU. This is the correct specification for Buick Excelle 1.8L manual transmission models (SGM7180 / SGM7181).*
Product Highlights
✅ OE Fitment – Developed to strict OEM standards. Direct replacement – matches GM / Buick OE number 92066487.
✅ 60mm Precision Bore – Factory‑correct diameter ensures optimal airflow for 1.8L T18SED engine, delivering smooth power delivery and stable idle.
✅ Mechanical Throttle Body – Cable‑operated design for direct, reliable throttle response. Compatible with factory throttle cable.
✅ Excelle 1.8L Manual Optimised – Specifically engineered for Buick Excelle (凯越) 2004‑2008 with 1.8L T18SED engine and manual transmission.
✅ Plug & Play Installation – Exact match in dimensions, mounting bolt pattern, and cable attachment. Uses factory gasket (sold separately).
✅ Complete Assembly – Includes integrated Throttle Position Sensor (TPS) and Idle Air Control Valve (IACV / stepper motor) – no need to transfer old sensors.
✅ Reliability – Die-cast aluminum housing with anti-corrosion treatment; stainless steel butterfly valve for long‑lasting performance.
✅ Rigorous Testing – 100% factory‑tested for thermal cycling, airtightness, and full‑stroke angle calibration.
✅ Standard Compliance – Meets ISO 16750 environmental standards for automotive electrical/electronic equipment.
✅ Cost‑Effective OE Alternative – OE‑quality replacement at a competitive price, with no core charge.
✅ 100% New Construction – Complete assembly – not remanufactured, no core charge required.
Common Symptoms of a Failing Throttle Body (Buick Excelle 1.8L Manual)
-
Unstable idle, "hunting," or engine stalling at stops
-
Hesitation or flat spot during acceleration
-
Poor throttle response / delayed acceleration
-
Rough idle that improves when throttle is applied
-
Engine dies when coming to a stop
-
Check Engine Light (CEL) – common DTCs related to TPS or IACV circuit
-
Erratic idle speed (too high or too low)
-
Poor fuel economy
These symptoms are frequently reported for higher‑mileage Buick Excelle 1.8L vehicles when the throttle body components (especially IAC stepper motor or TPS) wear out or carbon buildup occurs.
Installation & Adaptation Tips
IMPORTANT: After replacing the mechanical throttle body on Buick Excelle 1.8L, a throttle self-learning / idle relearn procedure is REQUIRED. The ECU must learn the new TPS and IACV parameters.
Step-by-Step Procedure:
| Step | Action |
|---|---|
| 1 | Disconnect the negative battery terminal for 5–10 minutes (clears old learned values). |
| 2 | Remove the air intake hose and disconnect the throttle cable from the throttle lever. |
| 3 | Unplug the TPS and IACV electrical connectors. |
| 4 | Remove any coolant hoses attached to the throttle body (if equipped with throttle body heating). |
| 5 | Remove the four mounting bolts and old throttle body. |
| 6 | Discard the old gasket and clean the mating surface on the intake manifold. |
| 7 | Install a new gasket (strongly recommended – sold separately). |
| 8 | Install the new throttle body. Torque bolts to 8–10 Nm (6–7 lb-ft). |
| 9 | Reconnect coolant hoses (if equipped), electrical connectors, and throttle cable. |
| 10 | Adjust throttle cable free play (usually 1-2mm slack at the lever). |
| 11 | Reconnect the battery. |
| 12 | Turn ignition ON (do not start engine) and wait 10 seconds. |
| 13 | Turn ignition OFF for 10 seconds. |
| 14 | Repeat steps 12-13 (ON / OFF) twice more (total 3 cycles). |
| 15 | Start the engine and let it idle for 5 minutes (do not touch accelerator). |
| 16 | Turn engine off for 30 seconds, then restart and drive normally. The ECU will adapt over the next few drive cycles. |
For Buick Excelle 1.8L T18SED: The above procedure (ignition cycling method) is the recommended manual relearn process for this vehicle. After replacement, check throttle cable adjustment and ensure the throttle returns to fully closed position when pedal is released. Poor throttle cable adjustment can cause high idle or poor response. If issues persist, use a professional diagnostic scanner (e.g., GM Tech2) to perform an IACV reset / throttle adaptation.
Packing List
-
Mechanical Throttle Body Unit (60mm bore, complete assembly with TPS and IAC stepper motor) × 1
-
(Gasket not included – purchase separately)
-
Warranty Card / Certificate of Quality × 1
-
(Installation hardware not included)
How to Ensure You Get the Correct Part
-
Confirm your vehicle is a Buick Excelle (凯越) with 1.8L T18SED engine (not 1.6L). Check chassis code: SGM7180 or SGM7181.
-
Confirm your transmission is MANUAL (5‑speed). Automatic transmission uses a different throttle body (OE 92066488) – not compatible.
-
Locate the original part number on your existing throttle body – look for
92066487. -
Verify the throttle bore diameter is 60mm.
-
Check the connector type – this is a mechanical throttle body with TPS and IACV connectors (older triangle‑shaped plug on some variants – verify with original).
-
Check the mounting bolt pattern (4 bolts) and throttle cable attachment point match the product photos.
-
Note that a new mounting gasket is not included and must be purchased separately.
-
Contact us with your VIN or a photo of your original part if unsure.
⚠️ Important: This throttle body is for Buick Excelle 1.8L MANUAL transmission ONLY. It will NOT fit:
Automatic transmission models (use OE 92066488)
1.6L engine models (different displacement – different throttle body)
Excelle GT / XT models (different generation)
Later generation Excelle (2009+) – verify compatibility
Any non‑Buick vehicles without verification
After-Sales & Disclaimer
-
Pre-installation check: Inspect the throttle body for any defects. Verify the OE number and connector types before installation.
-
Gasket requirement: A new mounting gasket is strongly recommended – gasket not included. A damaged or reused gasket may cause rough idle or vacuum leaks.
-
Throttle cable adjustment: Proper throttle cable free play adjustment is essential for correct idle and throttle response. Refer to vehicle service manual for specifications.
-
Relearn requirement: An idle relearn procedure is mandatory after installation. Failure to perform the relearn may result in unstable idle or drivability issues.
-
Professional installation recommended: If you are not comfortable performing the relearn procedure or throttle cable adjustment, professional installation is recommended.
-
Warranty: This product carries a 12‑month warranty against manufacturing defects. The motor and sensors are covered for 24 months.
OE Numbers: 92066487 / 14370
Bore Diameter: 60mm | Mechanical Type | Direct OEM Replacement | 12+24 Month Warranty | 100% Factory Tested
Vehicle Fitment – Compatible with:
| Make | Model | Engine | Years | Trim / Notes |
|---|---|---|---|---|
| Buick | Excelle /凯越 | 1.8L L4 (T18SED) | 2004 – 2008 | Manual Transmission ONLY (SGM7180 / SGM7181) |
⚠️ Important: This throttle body is designed for 1.8L T18SED naturally aspirated petrol engines in the Buick Excelle with manual transmission. Please verify your original OE number before ordering. Not compatible with 1.6L models, automatic transmission (see OE 92066488), or later generations without verification. The 60mm bore is the factory specification for this application.
ℹ️ OE Note:
92066487is the GM / Buick genuine OE number for the manual transmission variant.14370is an aftermarket cross‑reference number. For automatic transmission models, the correct OE number is92066488. This is a mechanical (cable‑operated) throttle body, not electronic drive‑by‑wire. The engine code is T18SED (1.8L 16V DOHC, 118 hp). Vehicle chassis codes: SGM7180 / SGM7181 (2004‑2008). Production years: 2004‑2007 with manual transmission (5‑speed manual gearbox).
OE Cross Reference – Match with your original part:
| Type | Part Number(s) |
|---|---|
| Buick / GM Main | 92066487 |
| Aftermarket Cross |
14370, CZM16A-60, 9015236 (older triangle plug – verify)
|
| Automatic Version (NOT compatible) |
92066488, CZM16B-60
|
ℹ️ *GM OE number 92066487 is the correct replacement for manual transmission Buick Excelle 1.8L. Dorman / aftermarket cross‑references include 14370. The automatic transmission variant uses a different throttle body (92066488) and is not compatible.
Technical Specifications
| Parameter | Specification |
|---|---|
| Design | 100% OEM specification – direct replacement |
| Product Type | Mechanical Throttle Body (Cable‑Operated) |
| Actuation Type | Throttle Cable (not electronic drive‑by‑wire) |
| Throttle Bore Diameter | 60 mm |
| Connector Type | Multi‑pin (Throttle Position Sensor + Idle Air Control Valve) |
| Mounting Hole Quantity | 4 |
| Housing Material | Die-cast Aluminum Alloy + Anti-corrosion Surface Treatment |
| Butterfly Valve Material | Stainless Steel |
| Seal Material | Oil-resistant Fluorine Rubber (Viton) |
| Included Components | Throttle Position Sensor (TPS) – integrated; Idle Air Control Valve (IACV / Stepper Motor) – integrated |
| Gasket Included | No (purchase separately – recommend new gasket) |
| Voltage | 12V |
| Fuel Type | Petrol / Gasoline (Naturally Aspirated) |
| Engine Family | GM T18SED / Family II (1.8L 16V DOHC) |
| Warranty | 12 months (general) / 24 months (motor & sensors) |
ℹ️ *This throttle body is a mechanical (cable‑operated) unit – not electronic. The throttle cable opens the butterfly valve directly. The integrated TPS and IAC stepper motor provide feedback and idle control to the ECU. This is the correct specification for Buick Excelle 1.8L manual transmission models (SGM7180 / SGM7181).*
Product Highlights
✅ OE Fitment – Developed to strict OEM standards. Direct replacement – matches GM / Buick OE number 92066487.
✅ 60mm Precision Bore – Factory‑correct diameter ensures optimal airflow for 1.8L T18SED engine, delivering smooth power delivery and stable idle.
✅ Mechanical Throttle Body – Cable‑operated design for direct, reliable throttle response. Compatible with factory throttle cable.
✅ Excelle 1.8L Manual Optimised – Specifically engineered for Buick Excelle (凯越) 2004‑2008 with 1.8L T18SED engine and manual transmission.
✅ Plug & Play Installation – Exact match in dimensions, mounting bolt pattern, and cable attachment. Uses factory gasket (sold separately).
✅ Complete Assembly – Includes integrated Throttle Position Sensor (TPS) and Idle Air Control Valve (IACV / stepper motor) – no need to transfer old sensors.
✅ Reliability – Die-cast aluminum housing with anti-corrosion treatment; stainless steel butterfly valve for long‑lasting performance.
✅ Rigorous Testing – 100% factory‑tested for thermal cycling, airtightness, and full‑stroke angle calibration.
✅ Standard Compliance – Meets ISO 16750 environmental standards for automotive electrical/electronic equipment.
✅ Cost‑Effective OE Alternative – OE‑quality replacement at a competitive price, with no core charge.
✅ 100% New Construction – Complete assembly – not remanufactured, no core charge required.
Common Symptoms of a Failing Throttle Body (Buick Excelle 1.8L Manual)
-
Unstable idle, "hunting," or engine stalling at stops
-
Hesitation or flat spot during acceleration
-
Poor throttle response / delayed acceleration
-
Rough idle that improves when throttle is applied
-
Engine dies when coming to a stop
-
Check Engine Light (CEL) – common DTCs related to TPS or IACV circuit
-
Erratic idle speed (too high or too low)
-
Poor fuel economy
These symptoms are frequently reported for higher‑mileage Buick Excelle 1.8L vehicles when the throttle body components (especially IAC stepper motor or TPS) wear out or carbon buildup occurs.
Installation & Adaptation Tips
IMPORTANT: After replacing the mechanical throttle body on Buick Excelle 1.8L, a throttle self-learning / idle relearn procedure is REQUIRED. The ECU must learn the new TPS and IACV parameters.
Step-by-Step Procedure:
| Step | Action |
|---|---|
| 1 | Disconnect the negative battery terminal for 5–10 minutes (clears old learned values). |
| 2 | Remove the air intake hose and disconnect the throttle cable from the throttle lever. |
| 3 | Unplug the TPS and IACV electrical connectors. |
| 4 | Remove any coolant hoses attached to the throttle body (if equipped with throttle body heating). |
| 5 | Remove the four mounting bolts and old throttle body. |
| 6 | Discard the old gasket and clean the mating surface on the intake manifold. |
| 7 | Install a new gasket (strongly recommended – sold separately). |
| 8 | Install the new throttle body. Torque bolts to 8–10 Nm (6–7 lb-ft). |
| 9 | Reconnect coolant hoses (if equipped), electrical connectors, and throttle cable. |
| 10 | Adjust throttle cable free play (usually 1-2mm slack at the lever). |
| 11 | Reconnect the battery. |
| 12 | Turn ignition ON (do not start engine) and wait 10 seconds. |
| 13 | Turn ignition OFF for 10 seconds. |
| 14 | Repeat steps 12-13 (ON / OFF) twice more (total 3 cycles). |
| 15 | Start the engine and let it idle for 5 minutes (do not touch accelerator). |
| 16 | Turn engine off for 30 seconds, then restart and drive normally. The ECU will adapt over the next few drive cycles. |
For Buick Excelle 1.8L T18SED: The above procedure (ignition cycling method) is the recommended manual relearn process for this vehicle. After replacement, check throttle cable adjustment and ensure the throttle returns to fully closed position when pedal is released. Poor throttle cable adjustment can cause high idle or poor response. If issues persist, use a professional diagnostic scanner (e.g., GM Tech2) to perform an IACV reset / throttle adaptation.
Packing List
-
Mechanical Throttle Body Unit (60mm bore, complete assembly with TPS and IAC stepper motor) × 1
-
(Gasket not included – purchase separately)
-
Warranty Card / Certificate of Quality × 1
-
(Installation hardware not included)
How to Ensure You Get the Correct Part
-
Confirm your vehicle is a Buick Excelle (凯越) with 1.8L T18SED engine (not 1.6L). Check chassis code: SGM7180 or SGM7181.
-
Confirm your transmission is MANUAL (5‑speed). Automatic transmission uses a different throttle body (OE 92066488) – not compatible.
-
Locate the original part number on your existing throttle body – look for
92066487. -
Verify the throttle bore diameter is 60mm.
-
Check the connector type – this is a mechanical throttle body with TPS and IACV connectors (older triangle‑shaped plug on some variants – verify with original).
-
Check the mounting bolt pattern (4 bolts) and throttle cable attachment point match the product photos.
-
Note that a new mounting gasket is not included and must be purchased separately.
-
Contact us with your VIN or a photo of your original part if unsure.
⚠️ Important: This throttle body is for Buick Excelle 1.8L MANUAL transmission ONLY. It will NOT fit:
Automatic transmission models (use OE 92066488)
1.6L engine models (different displacement – different throttle body)
Excelle GT / XT models (different generation)
Later generation Excelle (2009+) – verify compatibility
Any non‑Buick vehicles without verification
After-Sales & Disclaimer
-
Pre-installation check: Inspect the throttle body for any defects. Verify the OE number and connector types before installation.
-
Gasket requirement: A new mounting gasket is strongly recommended – gasket not included. A damaged or reused gasket may cause rough idle or vacuum leaks.
-
Throttle cable adjustment: Proper throttle cable free play adjustment is essential for correct idle and throttle response. Refer to vehicle service manual for specifications.
-
Relearn requirement: An idle relearn procedure is mandatory after installation. Failure to perform the relearn may result in unstable idle or drivability issues.
-
Professional installation recommended: If you are not comfortable performing the relearn procedure or throttle cable adjustment, professional installation is recommended.
-
Warranty: This product carries a 12‑month warranty against manufacturing defects. The motor and sensors are covered for 24 months.