OEX ILKX8046 Ignition Lead Set – For Toyota & Lexus 1UZ-FE 4.0L V8 (Celsior, Crown, Soarer, LS400) 1988–2000

The OEX ILKX8046 Ignition Lead Set is a premium-quality replacement designed specifically for Toyota and Lexus 1UZ-FE 4.0L V8 engines, as found in Celsior, LS400, Crown, Soarer, and Aristo models.

Manufactured from temperature-enhanced silicone and featuring stainless-steel spiral wire conductors, these leads ensure optimal ignition performance, superior RFI (Radio Frequency Interference) suppression, and outstanding resistance to heat, oil, and vibration.

Engineered to handle the demands of high-performance Japanese V8s, the ILKX8046 set delivers consistent spark output, improved combustion efficiency, and long-term reliability — perfect for maintaining smooth operation and peak performance.

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Key Features

• High-temperature silicone insulation – withstands up to 250 °C for long service life.

• Stainless-steel spiral wire conductor – maximised spark transfer and RFI suppression.

• OEM-fit precision – direct-fit replacement for Toyota/Lexus 1UZ-FE engines.

• Exceptional durability – resistant to heat, oil, and mechanical stress.

• Designed for high-performance DOHC V8s – stable ignition across all rev ranges.

• 2-Year / 40,000 km Warranty – backed by OEX quality assurance.

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Specifications

• Part Number: ILKX8046

• Brand: OEX

• Type: Ignition Lead Set

• Unit of Measure: Set

• Material: Premium-grade silicone

• Conductor Type: Stainless-steel spiral wire

• Temperature Rating: Up to 250 °C

• Warranty: 24 Months / 40,000 km

• Product Group: Electrical Parts → Ignition Leads

• Fitment Type: Direct-fit OEM replacement

• Market: New Zealand / Australia

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Fits

Fits the following vehicles:

LEXUS

• LS400 UCF10 / UCF20R – 4.0 L 1UZ-FE DOHC 32v V8 RWD [1989 – 2000]

TOYOTA

• Celsior UCF10 / UCF20 / UCF21 – 4.0 L 1UZ-FE DOHC 32v V8 RWD [1988 – 2000]

• Crown / Crown Majesta UZS131 / UZS141 / UZS143 / UZS145 / UZS171 / UZS175 – 4.0 L 1UZ-FE V8 RWD / AWD [1989 – 2003]

• Soarer UZZ30 / UZZ31 / UZZ32 – 4.0 L 1UZ-FE V8 RWD [1991 – 1997]

• Aristo UZS143 – 4.0 L 1UZ-FE V8 AWD [1992 – 1997]

VOLKSWAGEN

• Golf III (1H1, 1W1) – 1.8 L ADZ / ACC / ABS SOHC 8v Petrol FWD [1991 – 1997] (Reuse original heat shields)

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OEM Cross References

• OEM Part No.: Toyota 90919-22326 / 90919-21595 / Lexus 90919-22329 (varies by model).

• OEX Reference: ILKX8046