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GENUINE MERCURY REPLACEMENT PART
PLUG Pipe (.125-27) (For Water Pump Body)
Part no. 328021
ask for price
Superseded by: 328022
This part has been superseded — current part:
328022 → open current partCheck compatibility first.
The model name alone may not be enough; the same model uses different parts across serial ranges.
Verify by serial numberYour cart becomes a quote request for our sales team; no payment is taken.
What does this part do?
Closes drain/fill holes. Check its washer; metal on magnetic plugs reveals gear wear.
- Brand
- Mercury Marine
- Product group
- Impellers & Water Pumps
- Part number
- 328021
- Menşei
- US
- Paket adedi
- 2.0
- Tehlike kodu
- 0.0
- Sınıf
- 22.0
- Mercury durumu
- SS
- Paket ağırlığı
- .016 LBS (0.01 kg)
- Yükseklik
- .675 IN (1.7 cm)
- Replaces
- 32802
KNOW THE PART BETTER
Make the choice clear.
Open the water pump group in the illustrated catalog and inspect the impeller in place; look-alike revisions (impeller only / full pump kit) are told apart by part code.
Explore inside the engineHave this ready when asking for a quote
Serial number, the current part code and a photo of the pump housing if available.
Used on these engines
- 7.4L MIE (LH) GEN. VI GM 454 V-8 — CLOSED COOLING (FRONT MOUNTED)Pos. 2 · qty 1 · go to diagram →
- 3.0L GM 181 I/L4 — Exhaust Manifold and Water SystemPos. 2 · qty 1 · go to diagram →
- 500 Bulldog — Cylinder Block And CamshaftPos. 2 · qty 5 · go to diagram →
- 500 BULLDOG GM 540 V-8 — CYLINDER BLOCK AND CAMSHAFTPos. 2 · qty 4 · go to diagram →
- 5.7L MIE GM 350 V-8 — CLOSED COOLING SYSTEMPos. 4 · qty 1 · go to diagram →
- 7.4L TBI MIE (LH) GEN. VI GM 454 V-8 — CYLINDER BLOCK AND CAMSHAFTPos. 4 · qty 2 · go to diagram →
- 7.4L MIE (LH) GEN. VI GM 454 V-8 — CYLINDER BLOCK AND CAMSHAFTPos. 4 · qty 2 · go to diagram →
- 7.4L MIE (LH) GEN. VI GM 454 V-8 — CLOSED COOLING (BORG WARNER 72)Pos. 5 · qty 1 · go to diagram →
- 5.7L MIE GM 350 V-8 — CLOSED COOLING SYSTEMPos. 5 · qty 1 · go to diagram →
- 5.7L MIE GM 350 V-8 — CYLINDER BLOCK AND CAMSHAFTPos. 5 · qty 2 · go to diagram →