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5PK1023 or 5PK1030 A/C belt on 4.6is engine? 5PK1023 or 5PK1030 A/C belt on 4.6is engine?
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  #1  
Old 02-14-2015, 11:05 AM
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5PK1023 or 5PK1030 A/C belt on 4.6is engine?
I'm still fairly new to my X5 so I'll pick your brains guys if you don't mind.

Dealer genuine is twice as much and I never had any issues with Contitech, Dayco, Gates or Goodyear.

Trouble is that 3 other list 1030 size and OEM Contitech lists 1023 size.

Contitech 1023 is only $8 at AutohausAZ which is the best deal.

Which size is correct?

Thanks.
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  #2  
Old 02-14-2015, 05:17 PM
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I see a totally different set of part numbers when I search the OE number for a 4.6is application.
water pump is 11287636369 (old number is 11287519955)
AC is 11287636374 old number is 11287507626

At ECS Mfg Part#11287519955 (old number replaced by 11287636369)
ECS Part# ES#2093813
Brand continental $26

GOODYEAR Part # 4070640 More Info Gatorback; Poly-V; 7 Ribs / Effective Length 64" / Outside Length 64.75"
Alternator, Water Pump and Power Steering; Poly-V
$17.98
Fcp
2002 BMW X5
Drive Belt-Primary
OE Numbers: 7K1623, 11287519955 $18.99
FCP ID: 239411
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2005 X5 4.8IS
The Blue ones are always FASTER....

Current Garage:
2005 X5 4.8is
2002 M5 TiSilver
2003 525iT
1998 528i
Former Garage Stable Highlights
2004 325XiT Sport
1973 De Tomaso Pantera, L Model
1970 Dodge Challenger T/A 4 sp Alpine White
1970 Dodge Challenger T/A 4 sp GoManGo Green
1971 Dart Sport, “Dart Light” package
1969 Road Runner 383
1968 Ply Barracuda 340S FB Sea-foam Green
Last edited by StephenVA; 02-14-2015 at 10:15 PM.
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  #3  
Old 02-14-2015, 11:05 PM
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Quote:
Originally Posted by StephenVA View Post
I see a totally different set of part numbers when I search the OE number for a 4.6is application.
water pump is 11287636369 (old number is 11287519955)
AC is 11287636374 old number is 11287507626

At ECS Mfg Part#11287519955 (old number replaced by 11287636369)
ECS Part# ES#2093813
Brand continental $26

GOODYEAR Part # 4070640 More Info Gatorback; Poly-V; 7 Ribs / Effective Length 64" / Outside Length 64.75"
Alternator, Water Pump and Power Steering; Poly-V
$17.98
Fcp
2002 BMW X5
Drive Belt-Primary
OE Numbers: 7K1623, 11287519955 $18.99
FCP ID: 239411
You're thinking main belt, my question is about A/C belt. Thanks anyway.
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  #4  
Old 02-15-2015, 03:32 AM
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5pk1023 is the spec and the one I pulled out, I put in a 5pk1025 with no problem.

This was on an 03 4.6is.
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  #5  
Old 02-15-2015, 09:42 AM
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I see the question about the belts on line as they show two application solutions
ECS shows
Mfg Part#11287507626
ECS Part# ES#263659
Brand continental

FCP euro shows both
2003 BMW X5
Position: Air Conditioning, BANDO
OE Numbers: 5K1030, 5PK1030, 12634319, 93182249
FCP ID: 53967

2003 BMW X5
Position: Air Conditioning
OE Numbers: 5K1023, 5PK1023, 11287507626, 12634321, 55555404
FCP ID: 94831
__________________

2005 X5 4.8IS
The Blue ones are always FASTER....

Current Garage:
2005 X5 4.8is
2002 M5 TiSilver
2003 525iT
1998 528i
Former Garage Stable Highlights
2004 325XiT Sport
1973 De Tomaso Pantera, L Model
1970 Dodge Challenger T/A 4 sp Alpine White
1970 Dodge Challenger T/A 4 sp GoManGo Green
1971 Dart Sport, “Dart Light” package
1969 Road Runner 383
1968 Ply Barracuda 340S FB Sea-foam Green
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  #6  
Old 02-15-2015, 01:54 PM
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Quote:
Originally Posted by g300d View Post
5pk1023 is the spec and the one I pulled out, I put in a 5pk1025 with no problem.

This was on an 03 4.6is.
Yes, I suspect that tensioner can take the slack for little bigger belt but I just don't want go to big and overreach tensioner limit. I'll probably go $8 ContiTech 1023 from AutohausAZ. Thanks.
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  #7  
Old 02-15-2015, 01:56 PM
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Quote:
Originally Posted by StephenVA View Post
I see the question about the belts on line as they show two application solutions
ECS shows
Mfg Part#11287507626
ECS Part# ES#263659
Brand continental

FCP euro shows both
2003 BMW X5
Position: Air Conditioning, BANDO
OE Numbers: 5K1030, 5PK1030, 12634319, 93182249
FCP ID: 53967

2003 BMW X5
Position: Air Conditioning
OE Numbers: 5K1023, 5PK1023, 11287507626, 12634321, 55555404
FCP ID: 94831
I've looked at FCP prices and specs for belt as I'm looking for starter and they have a good price. I'll probably stick with 1023. Thanks.
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  #8  
Old 02-15-2015, 04:26 PM
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I went off to the Continental belt website and they recommend the 1030
http://www.contibelts.com
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2005 X5 4.8IS
The Blue ones are always FASTER....

Current Garage:
2005 X5 4.8is
2002 M5 TiSilver
2003 525iT
1998 528i
Former Garage Stable Highlights
2004 325XiT Sport
1973 De Tomaso Pantera, L Model
1970 Dodge Challenger T/A 4 sp Alpine White
1970 Dodge Challenger T/A 4 sp GoManGo Green
1971 Dart Sport, “Dart Light” package
1969 Road Runner 383
1968 Ply Barracuda 340S FB Sea-foam Green
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  #9  
Old 02-15-2015, 04:46 PM
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RealOEM.com * BMW E53 X5 4.6is Belt Drive Water Pump/Alternator


Where did I go wrong, RealOEM calls for the PK7X1623.
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  #10  
Old 02-15-2015, 06:02 PM
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When in doubt go to the manufacturer's website as all the others are subject to human error. All show both belts on the AC and WP

V8 4.6L
2002-2003

Serpentine - AC.............................. 5K1023
Serpentine - WP, ALT.................... 7K1623

Now on their parts finder it says
V8 4.6L
2002-2003
5K1030 which is 1030MM in length

Penske Parts
11287507626 RIBBED V-BELT - 5K X 1023
11287507626 was superseded by 11287636374.
11287636374 RIBBED V-BELT - PK5X1023

Euro best price on AC belt Accessory Drive Belt (5K 1023) (A/C)
2002 BMW X5 4.6is (E53) 4.6L 8 Cyl (32 Valve) Engine Parts - Free Shipping

Serpentine Belt (5K 1030) - Continental 5K1030
SAAB Serpentine Belt (5K 1030) 55556404 - Continental 5K1030 - Free Shipping
__________________

2005 X5 4.8IS
The Blue ones are always FASTER....

Current Garage:
2005 X5 4.8is
2002 M5 TiSilver
2003 525iT
1998 528i
Former Garage Stable Highlights
2004 325XiT Sport
1973 De Tomaso Pantera, L Model
1970 Dodge Challenger T/A 4 sp Alpine White
1970 Dodge Challenger T/A 4 sp GoManGo Green
1971 Dart Sport, “Dart Light” package
1969 Road Runner 383
1968 Ply Barracuda 340S FB Sea-foam Green
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