Make sure this part fits

Buick 15822510 Coolant Recovery Reservoir Assembly

2008-2009 Buick

Customer Questions & Expert Answers (3)
15822510 GM Coolant Recovery Reservoir Assembly Illustration 1 of 1
  • Part Description
    RESERVOIR, Engine Coolant Recovery
  • Replaces
    10346645
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number15822510
    Part DescriptionRESERVOIR, Engine Coolant Recovery
    Other NamesReservoir
    Item Dimensions13.8 x 10.6 x 5.9 inches
    Item Weight1.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces10346645
    ManufacturerGeneral Motors
    SKU15822510
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2008-2009 Buick Allure8 Cyl 5.3LSUPER SERIES 4 DOOR
    2008-2009 Buick LaCrosse8 Cyl 5.3LSUPER SERIES 4 DOOR
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 15822510 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be done after draining the coolant from the Coolant Reservoir for the 2007 Chevrolet Impala? Posted by Rocky F.
    A:
    After draining the coolant, you should clean up any spilled coolant. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Apr 17, 2025
    Q:
    What needs to be done on the 2006 Chevrolet Monte Carlo engine before removing the Coolant Reservoir tank? Posted by Allexus B.
    A:
    On V8 engine models, you need to remove the diagonal brace above the reservoir. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / May 21, 2026

Genuine GM Part 15822510, the Right Choice

To ensure reliability, purchase GM part # 15822510 Coolant Recovery Reservoir Assembly. It is sometimes referred to as Buick Coolant Reservoir. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Buick Allure, LaCrosse models.

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