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Suitable for Downstream O2 Sensor for Toyota Tundra Land Cruiser Lexus LX470 | 234-4154 8946539885

Suitable for Downstream O2 Sensor

Name: Suitable for Downstream O2 Sensor for Toyota Tundra Land Cruiser Lexus LX470 | 234-4154 8946539885
SKU: 234-4154 /A
Price: 34.95 USD
Availability: InStock

for Toyota Tundra Land Cruiser Lexus LX470

🏷️ Replaces OE: 234-4154 8946539885

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$34.95

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Automotive-Leader Sensors

Vehicle Compatible

Year	Make	Model	Engine/Displacement	Notes
1998-2005	Lexus	LX470	4.7L
1999-2000	Toyota	4Runner 4WD	3.4L	Standard Transmission, Federal Emissions
1999-2000	Toyota	4Runner 4WD	2.7L	Federal Emissions
1999-2000	Toyota	4Runner 4WD	2.7L	Automatic Transmission, California Emissions
1996-1998	Toyota	4Runner 4WD	2.7L / 3.4L
1995	Toyota	4Runner	2.4L	California Emissions
1993-1994	Toyota	4Runner	2.4L Gas	California Emissions
2005	Toyota	Land Cruiser	4.7L	Manufactured Before May
1998-2004	Toyota	Land Cruiser	4.7L
1995	Toyota	Pick Up 4WD	3.0L	California Emissions
1993-1995	Toyota	Pick Up RWD	2.4L	California Emissions
1993-1995	Toyota	Pick Up 4WD	2.4L	California Emissions (Japan Built / USA Built)
1994	Toyota	Pick Up 4WD	3.0L	California Emissions
1996-1998	Toyota	T-100	2.7L	Standard Transmission
2000	Toyota	Tacoma	2.4L	Automatic Transmission (CA Emissions / Federal Emissions)
2000	Toyota	Tacoma 4WD	3.4L	Standard Transmission, Federal Emissions
1995-1999	Toyota	Tacoma	2.4L	Automatic Transmission
1995-1999	Toyota	Tacoma 4WD	3.4L	Standard Transmission
2000-2002	Toyota	Tundra RWD	4.7L

Product Specifications

Warranty & Support: 2 Years + 24/7 Technical Support

Item	Specification
Core Part Number	234-4154 Interchange: 2344154, 8946509040, 8946509110, 8946509170, 8946539605, 8946539655, 8946539665, 8946539855, 8946539885, 8946569145, 8946569175, 8946580011, 8946580030
Position	Exhaust System, Upstream (Front, Pre-Catalytic Converter)
Key Parameters	- Type: Heated Oxygen Sensor - Wire Configuration: 4-Wire - Wire Harness Length: 12.91 IN - Grade Type: Regular - Fit Type: Specific

Package Content :

1Pcs 234-4154 Oxygen Sensor

Bank 1 Sensor 1 means Upstream Right/Rear; Bank 2 Sensor 1 means Upstream Left/Front

Bank 1 Sensor 2 means Downstream Right/Rear; Bank 2 Sensor 2 means Downstream Left/Front

sensor 1=Upstream sensor 2=Downstream

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FAQ & Support

🚦 1. Trouble Codes & Symptoms

Q1: My car shows codes like P0420 / P0171 / P0138. What do they mean?

These are common codes related to the fuel system or oxygen sensors:

P0420: Catalyst efficiency below threshold
P0171: System too lean
P0138: O2 sensor voltage high

They often indicate a worn oxygen sensor, exhaust leak, or ignition issue. If you're not sure, simply tell us your year, make, model, and engine—we'll check the exact part you need.

Q2: My engine shakes at idle. Is my ignition coil bad?

It's very possible. Common symptoms of a failing ignition coil include:

Rough idle or shaking
Hard cold starts
Poor acceleration
Higher fuel consumption
Misfire popping noise

Tell us your vehicle info—our team can help you identify the cause.

Q3: What are the symptoms of a bad oxygen sensor?

Typical signs include: Check Engine Light on, Increased fuel consumption, Poor acceleration, Strong fuel smell, and Slow throttle response.

Most sensors should be replaced every 80,000–100,000 km.

🔍 2. Fitment & Compatibility

Q4: How do I know which oxygen sensor fits my car?

Just provide: Year, Make, Model, and Engine size.

We'll confirm: Upstream or downstream, Correct connector, Proper reference number, and Federal vs. California emissions compatibility.

Q5: What's the difference between ignition coils?

High-quality aftermarket: Close to Standard but more affordable.

We only offer high-grade, reliable ignition coils.

Q6: How many oxygen sensors does my car have?

Most vehicles have 2–4 sensors (Upstream front and Downstream rear). We can confirm the exact number for your vehicle.

🛒 3. Buying, Quality & Concerns

Q7: Are cheap oxygen sensors reliable?

They work for a short time but usually cause issues like short lifespan, slow response, and frequent check engine lights.

We only sell new, high-quality, fully tested sensors.

Q8: How can I avoid buying a refurbished or used auto part?

Check for scratches on the connector, dirty wiring, or marks on threads.

Our parts are 100% brand new, never refurbished, and fully tested.

🧰 4. Installation & Usage

Q9: Can I install an oxygen sensor myself?

Yes. Difficulty: medium.

You'll need an O2 sensor socket, Anti-seize compound, and a Torque wrench. We recommend clearing fault codes with an OBD scanner after installation.

Q10: Do ignition coils need programming after replacement?

In most vehicles, no programming is required. Just swap the old coil with the new one.

💰 5. Value & Performance

Q11: Your parts cost less than Other accessories. Are they really reliable?

Yes—our parts use the same-grade materials and testing standards as suppliers. Because we don't go through dealer channels, the price is much more affordable.

About us

Since its inception, Automotive Leader has been guided by a simple mission: to provide high-performance aftermarket parts for automotive technicians and DIY enthusiasts.

The website is jointly operated by Trademark Name: Automotive-leader Store registered at Physical Address: Room 602, No. 152 Helong East Road, Helong Subdistrict, Baiyun District, Guangzhou City Postal Code: 510000 and Company name：BLUE STAR TRADING LIMITED registered at Company address：RM C，6/F，WORLD TRUST TOWER 50 STANLEY STREET CENTRAL HK

U.S. Address:
7600 LTC Parkway 34986
PORT SAINT LUCIE, FL - United States

Phone Number: +86 15812449181

Email: support@automotive-leaderstore.com

Logistics Policy

1. U.S. Warehouse (Standard Option)
Handling time: 1-3 business days
Transit time (days): 3-6 business days via USPS/UPS/FedEx.

2. China Warehouse (Standard Option)
Handling time: 1-3 business days
Transit time (days): 14-22 business days via USPS/UPS/FedEx.

Refund and Return Policy

30-Day Returns and Refunds / Return shipping is free（Due to a product issue）

We do not accept direct exchanges.

After receiving and inspecting your returned item, we will notify you whether your refund has been approved.

If approved, the refund will be processed back to your original payment method within 5 business days.

Please note that your bank or credit card company may also require additional time to process and reflect the refund.

If you have not received your refund within 10 business days after your return request has been approved, please contact us.

Contact: support@automotive-leaderstore.com

Account

Suitable for Downstream O2 Sensor

Automotive-Leader Sensors

Vehicle Compatible

Product Specifications

Customer Reviews

Subscribe to our email list to receive a 8% VIP discount

FAQ & Support

🚦 1. Trouble Codes & Symptoms

🔍 2. Fitment & Compatibility

🛒 3. Buying, Quality & Concerns

🧰 4. Installation & Usage

💰 5. Value & Performance

About us

Logistics Policy

Refund and Return Policy

Country/Region

Country/Region

Suitable for Downstream O2 Sensor

Title

Automotive-Leader Sensors

Vehicle Compatible

Product Specifications

Customer Reviews

Subscribe to our email list to receive a 8% VIP discount

FAQ & Support

🚦 1. Trouble Codes & Symptoms

🔍 2. Fitment & Compatibility

🛒 3. Buying, Quality & Concerns

🧰 4. Installation & Usage

💰 5. Value & Performance

About us

Logistics Policy

Refund and Return Policy