Home › Browse Parts › 07-10 MERCEDES GL450 GL550 ML550 (X164) 722.9 AUTOMATIC TRANSMISSION OIL PUMP

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

From donor vehicle 2008 Mercedes GL550 (stock AA1222).

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2008 Mercedes GL550

07-10 MERCEDES GL450 GL550 ML550 (X164) 722.9 AUTOMATIC TRANSMISSION OIL PUMP

$201.43 List $204.14
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Freight items ship within 2 business days — big parts get strapped to a pallet and done right.

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

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Freight handled right

Freight orders leave within 2 business days after payment is made, strapped down and ready for the road.

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 143311

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
2008 Mercedes GL550
Donor VIN
4JGBF86E28A412043
Donor miles
124,024
Part number (OEM)
2302770320
Interchange #
400-50901B
Brand
Mercedes (Genuine OEM)
Stock #
AA1222
Viking Item ID
143311

5.5L, M237, AWD, AUTO, TRANSMISSION OIL PUMP | 2302770320

  • ✓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)
  • ✓Freight item — leaves our dock within 2 business days after payment, strapped and wrapped (holidays excluded). VIN verification of fitment required before shipping.
  • ✓Want longer coverage? Extended warranties to 180 or 365 days — see options
Ask about this part / verify fitment — free, no pressure

Compatible Vehicles (24)

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
2007 Mercedes-Benz GL320 CDI Sport Utility 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged 164 TYPE, AT, GL450, FROM 03/06/07
2008 Mercedes-Benz GL320 CDI Sport Utility 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged 164 TYPE, AT, GL550
2009 Mercedes-Benz GL320 Bluetec 4Matic Sport Utility 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged 164 TYPE, AT, GL550
2010 Mercedes-Benz GL350 Bluetec 4Matic Sport Utility 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged 164 TYPE, AT, GL550
2007 Mercedes-Benz GL450 Base Sport Utility 4-Door 4.7L 4663CC 285Cu. In. V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, GL450, FROM 03/06/07
2008 Mercedes-Benz GL450 Base Sport Utility 4-Door 4.7L 4663CC 285Cu. In. V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, GL550
2009 Mercedes-Benz GL450 Base Sport Utility 4-Door 4.7L 4663CC 285Cu. In. V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, GL550
2010 Mercedes-Benz GL450 Base Sport Utility 4-Door 4.7L 4663CC 285Cu. In. V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, GL550
2008 Mercedes-Benz GL550 Base Sport Utility 4-Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, GL550
2009 Mercedes-Benz GL550 Base Sport Utility 4-Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, GL550
2010 Mercedes-Benz GL550 Base Sport Utility 4-Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, GL550
2008 Mercedes-Benz ML320 CDI Sport Utility 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged 164 TYPE, AT, ML550 (722.904)
2009 Mercedes-Benz ML320 Bluetec 4Matic Sport Utility 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged 164 TYPE, AT, ML550 (722.904)
2008 Mercedes-Benz ML350 4Matic Sport Utility 4-Door 3.5L 3498CC V6 GAS DOHC Naturally Aspirated 164 TYPE, AT, ML550 (722.904)
2008 Mercedes-Benz ML350 Lujo Sport Utility 4-Door 3.5L 3498CC V6 GAS DOHC Naturally Aspirated 164 TYPE, AT, ML550 (722.904)
2009 Mercedes-Benz ML350 4Matic Sport Utility 4-Door 3.5L 3498CC V6 GAS DOHC Naturally Aspirated 164 TYPE, AT, ML550 (722.904)
2009 Mercedes-Benz ML350 Base Sport Utility 4-Door 3.5L 3498CC V6 GAS DOHC Naturally Aspirated 164 TYPE, AT, ML550 (722.904)
2009 Mercedes-Benz ML350 Lujo Sport Utility 4-Door 3.5L 3498CC V6 GAS DOHC Naturally Aspirated 164 TYPE, AT, ML550 (722.904)
2008 Mercedes-Benz ML500 Lujo Sport Utility 4-Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, ML550 (722.904)
2009 Mercedes-Benz ML500 Lujo Sport Utility 4-Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, ML550 (722.904)
2008 Mercedes-Benz ML550 Base Sport Utility 4-Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, ML550 (722.904)
2009 Mercedes-Benz ML550 Base Sport Utility 4-Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, ML550 (722.904)
2008 Mercedes-Benz ML63 AMG Base Sport Utility 4-Door 6.3L 6208CC V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, ML550 (722.904)
2009 Mercedes-Benz ML63 AMG Base Sport Utility 4-Door 6.3L 6208CC V8 GAS DOHC Naturally Aspirated 164 TYPE, AT, ML550 (722.904)