Home › Browse Parts › 2018 AUDI A8L (D4 4H) 4.0L CTGF ENGINE TURBOCHARGER BOOST PRESSURE CONTROL VALVE

5 detailed photos of the actual item — this exact part is what ships.

From donor vehicle 2018 Audi A8L (stock VV0400).

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Hands-on tested before listing

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2018 Audi A8L

2018 AUDI A8L (D4 4H) 4.0L CTGF ENGINE TURBOCHARGER BOOST PRESSURE CONTROL VALVE

$61.09 List $64.30
✓ FREE SHIPPING — LOWER 48 + DC

Free 90-day warranty & 90-day any-reason returns on everything.

Order now and your order ships tomorrow — same-day shipping when ordered by 11 AM Pacific on a business day.

Estimated arrival: Monday, October 19 to Friday, October 23 — it's common for this to vary by a day or two.

Genuine OEM — exact item pictured. The photos show the actual factory-original part you’ll receive — inspected, cleaned, and carefully packed.

What you see is exactly what you get

No stock photos, ever. Every listing shows the actual part that will ship to you — already pulled and cleaned — so you can confirm it's exactly what you need, in the condition you expect, before you buy. All backed by a free 90-day warranty and hassle-free returns.

Free 90-day warranty + hassle-free returns

Wrong part? Changed your mind? For eligible lower-48 + DC orders, returns are on us for ANY reason — hit the Contact Viking button for a prepaid label. Refunds are always cash to your payment method, never store credit.

Same-business-day shipping

We ship same business day if ordered before 11 AM Pacific — every part is already pulled, cleaned, and on the shelf, not buried in a car in the yard.

Free shipping (lower 48 + DC)

For eligible destinations, the checkout math stays calm: the listed direct price is the price that ships.

ASE-tested big stuff

Engines and transmissions are tested by our ASE Master Mechanic before listing.

Viking Item ID V46892

Does this fit my vehicle?

Paste your 17-character VIN — it’s on your registration, insurance card, or the driver’s-door jamb.

We verify factory/OEM fitment only — upgrades, retrofits, and custom applications may need parts or coding we can’t verify or guarantee.

Item Specifics

Donor vehicle
2018 Audi A8L
Donor VIN
WAU43AFD6JN000644
Part number (OEM)
059906629D
Interchange #
300-76048
Brand
Audi (Genuine OEM)
Stock #
VV0400
Viking Item ID
V46892

TURBO BOOST PRESSURE CONTROL VALVE

First-start note: we treat every engine with fogging oil to protect the cylinders in storage and transit. A little smoke on first start-up is normal and expected — it should clear within about 30 minutes of normal running as the fogging oil burns off.

  • ✓These photos show the exact individual part you'll receive — no stock photos
  • ✓Genuine OEM — factory-original parts
  • ✓Inspected before listing — engines & transmissions tested by an ASE Master Mechanic
  • ✓FREE 90-day warranty & 90-day any-reason returns — we cover return shipping for eligible lower-48 + DC orders, freight included (details)
  • ✓Order by 11 AM Pacific on a business day — ships that same day (holidays excluded)
  • ✓Want longer coverage? Extended warranties up to 365 days — see options
Ask about this part / verify fitment — free, no pressure

Compatible Vehicles (9)

Verified Hollander interchange fitment — the same stickered, tracked compatibility data our listing crew uses. Scroll inside the table; no page-flipping. Not sure? Use the VIN check above and we’ll confirm.

YearMakeModelTrimEngineNotes
2016 Audi A8 Quattro L Sedan 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged 4.0L (VIN 3, 5th digit, turbo, gasoline); Engine ID Ctgf
2016 Audi A8 Quattro Premium Sedan 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged 4.0L (VIN 3, 5th digit, turbo, gasoline); Engine ID Ctgf
2017 Audi A8 Quattro L Premium Sedan 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged 4.0L (VIN 3, 5th digit, turbo, gasoline); Engine ID Ctgf
2017 Audi A8 Quattro L Sedan 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged 4.0L (VIN 3, 5th digit, turbo, gasoline); Engine ID Ctgf
2017 Audi A8 Quattro L Sport Sedan 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged 4.0L (VIN 3, 5th digit, turbo, gasoline); Engine ID Ctgf
2018 Audi A8 Quattro Base Sedan 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged 4.0L (VIN 3, 5th digit, turbo, gasoline); Engine ID Ctgf
2018 Audi A8 Quattro L Premium Sedan 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged 4.0L (VIN 3, 5th digit, turbo, gasoline); Engine ID Ctgf
2018 Audi A8 Quattro L Sedan 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged 4.0L (VIN 3, 5th digit, turbo, gasoline); Engine ID Ctgf
2018 Audi A8 Quattro L Sport Sedan 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged 4.0L (VIN 3, 5th digit, turbo, gasoline); Engine ID Ctgf