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Mercury Quicksilver OEM 821904

This is a genuine Mercury Marine Quicksilver factory OEM part, not aftermarket

Superseded:821904 / 8M0077650

Description: FITTING, Tell-Tale (also called a Tell-Tale Fitting)

Function:

Connects the tell-tale ("pee stream") hose to the engine's cooling system.
Directs a small stream of cooling water out of the engine so you can verify that the water pump is circulating water properly

Typical Applications:

Used on numerous Mercury outboards, including many 2.5L DFI/EFI, 3.0L DFI, Pro XS, and other V6 models, depending on the engine serial number

Compatible Engines & Serial Number Ranges

MAGNUM III - 0G960500 THRU 1B226999
MAGNUM III - 0G303046 THRU 0G760299
MAGNUM III - 0G760300 THRU 0G960499
V-115 DFI (2.5L) - 0G960500 THRU 0T178499
V-135 - 0G960500 THRU 0T178499
V-135 - 0G303046 THRU 0G760299
V-135 - 0G760300 THRU 0G960499
V-135 DFI (2.5L) - 0G960500 THRU 0T178499
V-135 DFI (2.5L) - 0G590000 THRU 0G760299
V-135 DFI (2.5L) - 0G760300 THRU 0G960499
V-135 DFI (2.5L) - 0T178500 THRU 0T800999
V-135 DFI (2.5L) - 0T801000 THRU 1B226999
V-135 DFI (2.5L) - 1B227000 THRU 1B417701
V-135 DFI (2.5L) - 1B417702 & Up
V-140 (INTERNATIONAL) - 0T178500 THRU 1B226999
V-150 - 0G960500 THRU 1B226999
V-150 - 0G303046 THRU 0G760299
V-150 - 0G760300 THRU 0G960499
V-150 (EFI) - 0G303046 THRU 0G760299
V-150 (EFI) - 0G760300 THRU 0G960499
V-150 (EFI) - 0G960500 THRU 0T408999
V-150 DFI (2.5L) - 0G960500 THRU 0T178499
V-150 DFI (2.5L) - 0G590000 THRU 0G760299
V-150 DFI (2.5L) - 0G760300 THRU 0G960499
V-150 DFI (2.5L) - 0T178500 THRU 0T800999
V-150 DFI (2.5L) - 0T801000 THRU 1B226999
V-150 DFI (2.5L) - 1B227000 THRU 1B417701
V-150 DFI (2.5L) - 1B417702 & Up
V-150 EFI (2.5L) - 0T409000 THRU 0T800999
V-150 EFI (2.5L) - 0T801000 THRU 1B226999
V-150 EFI (2.5L) - 1B227000 & Up
V-175 - 0G303046 THRU 0G760299
V-175 - 0G760300 THRU 0G960499
V-175 (EFI) - 0G303046 THRU 0G760299
V-175 (EFI) - 0G760300 THRU 0G960499
V-175 (EFI) - 0G960500 THRU 0T408999
V-175 DFI (2.5L) - 0T178500 THRU 0T800999
V-175 DFI (2.5L) - 0T801000 THRU 1B226999
V-175 DFI (2.5L) - 1B227000 THRU 1B417701
V-175 DFI (2.5L) - 1B417702 & Up
V-175 EFI (2.5L) - 0T409000 THRU 0T800999
V-200 - 0G960500 THRU 1B226999
V-200 - 0G303046 THRU 0G760299
V-200 - 0G760300 THRU 0G960499
V-200 (EFI) - 0G303046 THRU 0G760299
V-200 (EFI) - 0G760300 THRU 0G960499
V-200 (EFI) - 0G960500 THRU 0T408999
V-200 EFI (2.5L) - 0T409000 THRU 0T800999
V-200 EFI (2.5L) - 0T801000 THRU 1B226999
V-200 EFI (2.5L) - 1B227000 & Up
XR-6 - 0G960500 THRU 1B226999
XR-6 - 0G303046 THRU 0G760299
XR-6 - 0G760300 THRU 0G960499
2.5XS 2.5L DFI - 0T997974 THRU 1E000796
225 SPORT XS - 1E002584 & Up
225 SPORT XS (3L) - 1E000797 THRU 1E002583
225 XS - 1E002584 & Up
250 Sport XS - 1E051824 & Up
250 Sport XS - 1E002342 THRU 1E051823
250XS (3.0L DFI) - 1E002342 THRU 1E051113
250XS (3.0L DFI) - 0T651945 THRU 0T818042
250XS (3.0L DFI) - 0T818043 THRU 0T997973
250XS (3.0L DFI) - 0T997974 THRU 1E000796
250XS (3.0L DFI) - 1E000797 THRU 1E002341
300XS (3.2L DFI) - 1E001867 THRU 1E052057
JP 3.0L DFI - 0T997974 THRU 1E003045
JP 3.0L DFI - 1E003046 & Up
105 JET - 0G303046 THRU 0G760299
110 Jet (2.5L) - 1B690542 & Up
140 JET - 0G960500 THRU 0T178499
140 JET - 0G303046 THRU 0G760299
140 JET - 0G760300 THRU 0G960499
150 Pro XS (2.5L) - 1B690542 & Up
175 PROXS (2.5L) - 1B516339 & Up
200 (3.0L DFI)(DTS) - 0T980000 THRU 1B417701
200 (3.0L DFI)(DTS) - 1B417702 THRU 1B504988
200 (3.0L DFI)(DTS) - 1B504989 & Up
200 (3.0L EFI) - 1B504989 & Up
200 (3.0L EFI) - 0T750164 THRU 0T800999
200 (3.0L EFI) - 0T750164 THRU 0T800999
200 (3.0L EFI) - 0T801000 THRU 1B417701
200 (3.0L EFI) - 1B417702 THRU 1B504988
200 (DFI) - 0G386496 THRU 0G589999
200 (DFI) - 0G590000 THRU 0G760299
200 (DFI) - 0G960500 THRU 0T178499
200 (DFI) - 0T178500 THRU 0T598999
200 (DFI) - 0G760300 THRU 0G960499
200 (DFI) - 0T599000 THRU 0T800999
200 (DFI) - 0T599000 THRU 0T800999
200 (DFI) 3.0L - 1B912786 & Up
200 (DFI) 3.0L - 1B417702 THRU 1B504988
200 (DFI) 3.0L - 0T801000 THRU 1B417701
200 (DFI) 3.0L - 1B504989 THRU 1B912785
200 PRO XS (DFI) 3.0L - 1B912786 & Up
200 PRO XS (DFI) 3.0L - 1B504989 THRU 1B912785
225 (3.0L CARB) - 0D280813 THRU 0G760299
225 (3.0L CARB) - 0G760300 THRU 0T408999
225 (3.0L EFI) - 1B504989 & Up
225 (3.0L EFI) - 0T409000 THRU 0T800999
225 (3.0L EFI) - 0T801000 THRU 1B417701
225 (3.0L EFI) - 1B417702 THRU 1B504988
225 (3.0L EFI) - 0G760300 THRU 0T408999
225 (3.0L EFI) - 0G129222 THRU 0G760299
225 (3.0L EFI) MARATHON - 0T801000 THRU 1B417701
225 (3.0L EFI) SEAPRO - 0T801000 THRU 1B417701
225 (3.0L-DFI)(DTS) - 0T599000 THRU 1B417701
225 (3.0L-DFI)(DTS) - 1B417702 THRU 1B504988
225 (3.0L-DFI)(DTS) - 1B504989 & Up
225 (DFI) - 0G590000 THRU 0G760299
225 (DFI) - 0G960500 THRU 0T178499
225 (DFI) - 0T178500 THRU 0T598999
225 (DFI) - 0G760300 THRU 0G960499
225 (DFI) - 0T599000 THRU 0T800999
225 (DFI) 3.0L - 1B417702 THRU 1B504988
225 (DFI) 3.0L - 0T801000 THRU 1B417701
225 (DFI) 3.0L - 1B504989 & Up
225 MARATHON (3.0L CARB) - 0G245605 THRU 0G760299
225 MARATHON (3.0L CARB) - 0G760300 THRU 0T408999
225 PRO XS (3.0L DFI) - 1B104549 THRU 1B426560
225 PRO XS (3.0L DFI) - 1B426561 THRU 1B752546
225 PRO XS (3.0L DFI) - 1B752547 & Up
225 SEAPRO (3.0L CARB) - 0G245605 THRU 0G760299
225 SEAPRO (3.0L CARB) - 0G760300 THRU 0T408999
250 (3.0L EFI) - 1B504989 & Up
250 (3.0L EFI) - 0T409000 THRU 0T800999
250 (3.0L EFI) - 0T409000 THRU 0T800999
250 (3.0L EFI) - 0T801000 THRU 1B417701
250 (3.0L EFI) - 1B417702 THRU 1B504988
250 (3.0L EFI) - 0G760300 THRU 0T408999
250 (3.0L EFI) - 0G129222 THRU 0G760299
250 (DFI) 3.0L - 1B528615 & Up
250 LONG (3.0L)(EFI) - 0T861319 & Up
250 PRO XS (3.0L DFI) - 1B752547 & Up
250 PRO XS (3.0L DFI) - 1B426561 THRU 1B752546
250XB (3.0L EFI) - 0G980600 THRU 0T800999
3.0L EFI MARATHON - 0T409000 THRU 0T800999
3.0L EFI SEAPRO - 0T409000 THRU 0T800999

It is in like-new condition; please check the photos to view the item. Packaging may vary for shipping.

IMPORTANT - READ BEFORE BUYING

You are responsible for verifying the compatibility of this part before purchasing. If your model is not specifically listed in this listing, DO NOT assume it is compatible.

If you are unsure about fitment, please message us before buying. You must include the year, HP, make, model, and/or engine serial number so we can properly assist you.

Carefully review ALL photos. The images show the exact condition of the item and everything included in this listing. If it is not shown in the photos or mentioned in the description, it is NOT included in the sale.

If the item comes from the factory with multiple units per package, any quantity shown in the photos is for reference only. This sale is for ONE (1) unit only unless the title or description explicitly states otherwise.

Original packaging may or may not be included.