Advance Headers | Mild Steel Exhaust Extractors with EGR | Toyota Land Cruiser 100-105 Series 1HZ Diesel | A285E
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Advance Headers | Mild Steel Exhaust Extractors with EGR | Toyota L...
Description
Description
Advance Headers High-Performance Mild Steel Exhaust Extractors with Integrated EGR Port for Toyota Land Cruiser 100 & 105 Series 4.2L 1HZ Diesel Engines (1998 Onward)
The Advance Headers Performance Exhaust Extractors (A285E) are heavy-duty tubular manifolds custom-engineered explicitly to handle the extreme thermal environments and rugged working lifestyles of the Toyota 100 and 105 Series 4WD platforms. Purpose-built for the naturally aspirated 4.2-Litre 1HZ inline 6-cylinder diesel powerplant running integrated emissions systems, this rugged upgrade features an exact factory-matched Exhaust Gas Recirculation (EGR) landing port provision. By replacing the highly restrictive factory cast iron log manifold and reducing power-robbing backpressure, it optimizes exhaust gas scavenging pathways to unlock vital low-to-mid range torque, improve throttle response under heavy load, and ensure full emissions compliance.
PRODUCT CONTENTS:
- 1 x Heavy-Duty Mild Steel 6-Cylinder Performance 1HZ Diesel Extractor Assembly
- 1 x Integrated Precision-Located EGR Emissions Fitting Take-off Port
Key Features:
- Features a precision-engineered EGR emissions fitting to retain seamless compatibility with factory internal engine emissions circuits
- Heavy-duty mild steel construction structurally built to withstand intense under-bonnet working temperatures, grueling outback touring, and high-vibration off-road tracking
- Custom clearance-mapped inside the chassis layout to easily pass large steering box shafts, independent front suspension nodes, or live-axle control links cleanly
- Tuned mandrel-bent primary piping pathways ensure completely uniform internal flow geometry, optimizing gas velocity past tight engine bay structures and front crossmembers
- Thick, precision laser-cut cylinder head flanges maintain a flat, ultra-stable mating footprint to permanently guard against face distortion, thermal warping, and high-pressure exhaust gas leaks
Specifications:
- Brand: Advance Headers
- Part Number: A285E
- Material: Heavy-Duty Mild Steel (Standard Finish)
- Engine Suitability: Toyota 4.2L Inline 6-Cylinder Diesel Only (1HZ Naturally Aspirated Blocks Only)
- Emissions Configuration: Equipped with Integrated Exhaust Gas Recirculation (EGR) Landing Port
- Component Type: Performance Exhaust Extractors / Headers
- Welding Required: No (Direct Bolt-On Configuration to Cylinder Head Face)
- Warranty: 1 Year Manufacturer Warranty
⚠️ Crucial Drivetrain & Variant Alignment Warnings:
1. EGR Specific Fitment Requirement: This product (Part No. A285E) features an integrated EGR connection landing point designed explicitly for models requiring active EGR system hook-ups. If your build is an early or overseas non-EGR specification, you will want to source standard part number A285 instead to avoid needing to block off the landing flange.
2. Strictly Naturally Aspirated 1HZ Diesel Models: This layout is port-mapped exclusively for the naturally aspirated 1HZ head profile. It will NOT fit factory Turbocharged models (1HD-FTE engines found in HDJ100 series runs) due to completely distinct exhaust face layouts and direct interference with factory turbo downpipe lines.
3. Chassis Versatility: Tailored to fit both the 100 Series independent front suspension (IFS) chassis design and the rigid live-axle 105 Series subframe layout configurations cleanly.
Please Note: Due to the harsh vibration cycles and heavy workloads typical of commercial diesel utility and touring setups, professional installation by a 4WD exhaust specialist or qualified mechanical workshop is highly recommended.
Important Information
- The image shown may not reflect the actual product design.
- Ensure your vehicle details match the application guide below before purchasing.
Vehicle Applications for A285E Performance 1HZ Diesel Extractors (With EGR)
| Make | Model | Year Range Spec | Body Type | Chassis Series | Engine Details | Drivetrain / Fitment Notes |
|---|---|---|---|---|---|---|
| Toyota | Land Cruiser 100 Series / GXL / Standard | 1998 – 2007 | 5-Door Wagon SUV (Independent Front Suspension) | HZJ100 Only | 4.2L Inline 6-Cylinder 1HZ Diesel Only (Naturally Aspirated with EGR) | 4WD | Heavy-duty steel layout engineered with active factory EGR return landing integration. Formed to clear torsion-bar front suspension framework and steering components smoothly. Fits manual/auto variants. |
| Toyota | Land Cruiser 105 Series / Standard / GXL | 1998 – 2007 | 5-Door Wagon SUV (Rigid Live Front Axle) | HZJ105 Only | 4.2L Inline 6-Cylinder 1HZ Diesel Only (Naturally Aspirated with EGR) | 4WD | Built to handle heavy off-road chassis flex paths, routing primary tubes safely away from front trailing control arms, steering damper links, and the differential housing center block. |
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