Mercruiser Knock Sensors

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Model

Year Range

(1993 to 2009)

Model

CID / # Cyl

Year Range

Serial Range

Knock Sensor

262 Mag EFI262/V61996-19970F803800-0K9999999-33501
4.3L EFI262/V61998-20010L012009-0M2999999-33501
4.3L MPI262/V62002-20090M300000-Up9-33502
5.0L MPI305/V82002-20090M300000-Up9-33502
5.0L MPI DTS305/V82005-20090W310000-Up9-33502
350 Mag Alpha EFI (Gen+)350/V81996-19970F800300-0K9999999-33503
350 Mag Bravo MPI350/V81995-19960F415189-0K0015009-33503
350 Mag Bravo MPI (Gen+)350/V819970K001501-0K9999999-33503
350 Mag EFI Ski350/V81994-19960F215561-0F8207069-33503
350 Mag EFI Ski350/V819960F820707-0K0400059-33503
350 Mag EFI Ski350/V819970K040006-0K9999999-33503
350 Mag MPI350/V819980L010019-0L3315989-33503
350 Mag MPI350/V819980L336000-0L3469999-33503
350 Mag MPI350/V819990L331599-0L3359999-33503
350 Mag MPI350/V81999-20010L340000-0M2999999-33503
350 Mag MPI350/V82002-20090M300000-Up9-33502
350 Mag MPI DTS350/V82005-20090W310000-Up9-33502
350 Mag MPI Horizon350/V82002-20090M300000-Up9-33502
350 Mag MPI Horizon DTS350/V82005-20090W310000-Up9-33502
350 Mag MPI Horizon MIE350/V81999-20010L304700-0M2999999-33503
350 Mag MPI Horizon MIE350/V82002-20040M300000-0M3983719-33502
350 Mag MPI Horizon MIE350/V82004-20090M398372-Up9-33502
350 Mag MPI Horizon MIE DTS350/V82005-20090W390000-Up9-33502
350 Mag MPI MIE350/V819980L002008-0L3049999-33503
350 Mag MPI MIE350/V82002-20040M300000-0M3983719-33502
350 Mag MPI MIE350/V82004-20090M398372-Up9-33502
350 Mag MPI MIE DTS350/V82005-20090W390000-Up9-33502
350 Mag EFI Ski350/V81994-19960F215561-0F8207069-33503
350 Mag MPI Ski350/V819980L002600-0L3045999-33503
350 Mag MPI Ski350/V81999-20010L304600-0M2999999-33503
350 Mag MPI Ski350/V82002-20090M300000-Up9-33502
5.7L EFI350/V81995-19970F225560-0K9999999-33503
5.7L EFI (Gen +)350/V81998-20010L010035-0M2999999-33503
5.7L EFI (Gen +)350/V819970K040300-0K9999999-33503
5.7LX Bravo EFI (Gen +)350/V81996-19970F800300-0K9999999-33503
5.7LX EFI350/V81995-19970F225560-0K9999999-33503
Black Scorpion Ski350/V819960F350583-0K0400009-33503
Black Scorpion Ski350/V819970K040001-0L0026999-33503
Black Scorpion Ski350/V819980L002700-0L0056009-33503
Black Scorpion Ski350/V81998-20050L005601-0M3915999-33503
Black Scorpion Ski350/V82003-20090M391600-Up9-33502
377 Scorpion MCM377/V81999-20050L416146-0M9072019-33503
377 Scorpion Ski377/V81997-19980K000656-0L6003149-33503
MX 6.2L MPI377/V82000-20010L680003-0M2999999-33503
MX 6.2L MPI377/V82002-20040M300000-0W0599999-33502
MX 6.2L MPI377/V82004-20090W060000-Up9-33502
MX 6.2L MPI DTS377/V82005-20090W310000-Up9-33502
MX 6.2L MPI Horizon377/V82002-20040M300000-0W0599999-33502
MX 6.2L MPI Horizon377/V82004-20090W060000-Up9-33502
MX 6.2L MPI Horizon DTS377/V82005-20090W310000-Up9-33502
MX 6.2L MPI Horizon MIE377/V82002-20040M300000-0M3983949-33502
MX 6.2L MPI Horizon MIE377/V82004-20090M398395-Up9-33502
MX 6.2L MPI Horizon MIE DTS377/V82005-20090W390000-Up9-33502
MX 6.2L MPI MIE377/V82002-20040M300000-0M3983949-33502
MX 6.2L MPI MIE377/V82004-20090M398395-Up9-33502
MX 6.2L MPI MIE DTS377/V82005-20090W390000-Up9-33502
MX 6.2L MPI Ski377/V82002-20090M317000-Up9-33502
MX 6.2L Black Scorpion Ski377/V82001-20030L005601-0M3915999-33503
MX 6.2L Black Scorpion Ski377/V82003-20090M391750-Up9-33502
454 Mag EFI454/V81994-19960F115700-0F8023499-33500
454 Mag EFI Ski454/V81994-19960F215800-0F8200999-33500
454 Mag EFI Ski454/V81996-19970F820099-0K9999999-33500
454 Mag MPI454/V81996-19970F802350-0K1473499-33500
454 Mag MPI454/V81997-19980K147350-0L0853999-33500
454 Mag MPI454/V81999-20010L085400-0M0249999-33500
454 Mag MPI Horizon MIE454/V819980L002200-0L0860499-33500
454 Mag MPI Horizon MIE454/V81999-20010L086050-0L6740009-33500
7.4L MPI (L29)454/V81998-20010L010003-0M0243309-33500
7.4L MPI MIE454/V81995-19960F563052-0K1473499-33500
7.4L MPI MIE454/V819970K147350-0K9999999-33500
7.4L MPI MIE (L29)454/V81998-20010L010003-0L6746139-33500
7.4LX TBI454/V81996-19970F820000-0K9999999-33500
7.4LX MPI454/V819960F602010-0K1473499-33500
7.4LX MPI454/V819970K147350-0K9999999-33500
496 Mag496/V82001-20040M025000-0W0599999-33502
496 Mag496/V82004-20090W060000-Up9-33502
496 Mag DTS496/V82001-20040M025000-0W0599999-33502
496 Mag DTS496/V82004-20090W060000-Up9-33502
496 Mag HO496/V82001-20040M025000-0W0599999-33502
496 Mag HO496/V82004-20090W060000-Up9-33502
496 Mag HO DTS496/V82001-20040M025000-0W0599999-33502
496 Mag HO DTS496/V82004-20090W060000-Up9-33502
8.1L MIE496/V82001-20040M026000-0W0599999-33502
8.1L MIE496/V82004-20090W090000-Up9-33502
8.1L HO MIE496/V82001-20040M026000-0W0899999-33502
8.1L HO MIE496/V82004-20090W090000-Up9-33502
500 EFI502/V81999-20050L001477-Up9-33500
502 Mag MPI502/V81993-19960D840650-0K1473499-33500
502 Mag MPI502/V81997-19980K147350-0L0854329-33500
502 Mag MPI502/V81999-20010L085432-0M0249999-33500
525 EFI502/V82003-20090M900146-Up9-33502
575 SCi502/V82000-20050L306696-0M9505269-33500
8.2 MPI MIE502/V819960F819620-0K1473499-33500
8.2 MPI MIE502/V81997-19980K127350-0L0860129-33500
8.2 MPI MIE502/V81999-20010L086013-0L6742009-33500

Model

CID / # Cyl

Year Range

Serial Range

Knock Sensor

Refine Parts List
Model

Year Range

(1993 to 2009)
Blowout
Save 23%-24% Off.
Mallory Knock Sensor 9-33500
Your Price: $51.99 (Out of stock)
Save: $9.65
(15% Off $61.64)
Part # 9-33500 ValueShip™ Eligible
Replaces Original Equipment Manufacturer(OEM):Mercury
Replaces Original Equipment Manufacturer # (OEM #):805544T
Fits Application:MCM/MIE GM V-8 454,502,540, & 572 cid engines
Mallory Knock Sensor 9-33501
Your Price: $55.99 (Out of stock)
Save: $8.96
(13% Off $64.95)
Part # 9-33501 ValueShip™ Eligible
No Reviews | Write Review
Replaces Original Equipment Manufacturer(OEM):Mercruiser
Replaces Original Equipment Manufacturer # (OEM #):808015T
Fits Application:MCM 262 Mag EFI & 4.3L EFI
Mallory Knock Sensor 9-33502
Your Price: $74.99 (Out of stock)
Part # 9-33502 ValueShip™ Eligible
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Replaces Original Equipment Manufacturer(OEM):Mercruiser
Replaces Original Equipment Manufacturer # (OEM #):878187
Fits Application:MCM/MIE V6 & V8 (305, 350, 496 cid) MPI engines w/ECM 555
Mallory Knock Sensor 9-33503
Your Price: $75.99
Save: $12.00
(13% Off $87.99)
Part # 9-33503 ValueShip™ Eligible
SHIPS TODAY!* if ordered in 8 hrs 7 mins.
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Replaces Original Equipment Manufacturer(OEM):Mercury
Replaces Original Equipment Manufacturer # (OEM #):806612T
Fits Application:MCM/MIE GM V-8 305,350,377 cid engines
Knock Sensor - Sierra
Sale-a-palooza Price: $46.76
Save: $14.88
(24% Off $61.64)
Part # 18-7703 ValueShip™ Eligible
SHIPS TODAY!* if ordered in 8 hrs 7 mins.
Hurry! Only 1 left in stock
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Replaces OEM part #
  • MERCURY MARINE 805544T
  • VOLVO PENTA 3854512
Fits: Volvo 7.4 and 8.2 engnes(1989-2001)
Knock Sensor - Sierra
Sale-a-palooza Price: $67.21
Save: $20.78
(23% Off $87.99)
Part # 18-7677 ValueShip™ Eligible
SHIPS TODAY!* if ordered in 8 hrs 7 mins.
Hurry! Only 1 left in stock
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Replaces OEM part #
  • MERCURY MARINE 806612T
  • VOLVO PENTA 3850357
  • PLEASURECRAFT R020027
Fits: MerCruiser GM V-8 305,350 and 377 engines.
Fits: Volvo 4.3, 5.0 and 5.7L engine models(2002-2007
Mallory
Average Customer Review for Mallory Knock Sensor 9-33500
Based On 1 Review | Write Review
Knock Sensor
by Richard from Lansing, Illinois on September 24, 2011
No more engine alarm going off. This fixed my problem.
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