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CP247
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BrandOPTIMAL
MPNSK-1526AQ1
OE refs26
SKU0129-SK-1526AQ1
GTIN / EAN4031185275453

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Details

SpecificationValue
BrandOPTIMAL
MPNsk-1526aq1
Width [mm]26.5 mm
Width 2 [mm]21 mm

OE/OEM numbers (26)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 074109119B. The red ring marks where this part installs on the vehicle.

TIMING BELT — Engine Compartment
Engine CompartmentPosition main

What's in the kit

This kit ships with 7 factory-matched components. Each part below is supplied as part of the kit; click any linked MPN to view that component on its own.

#Part numberComponentQty
10-N109
Tensioner Pulley, timing belt
Width [mm]
27 mm
Height [mm]
35,1 mm
Outer Diameter [mm]
73 mm
1
20-N110
Tensioner Pulley, timing belt
Width [mm]
24,1 mm
Height [mm]
36,8 mm
Outer Diameter [mm]
66 mm
1
30-N117
Tensioner Pulley, timing belt
Width [mm]
24 mm
Outer Diameter [mm]
63 mm
1
4AQ-1085
Water Pump, engine cooling
Number of Teeth
20
Height [mm]
27 mm
Operating Mode
ME
Belt Pulley Ø [mm]
59,3 mm
Pulleys
0
Supplementary Article/Supplementary Info
35
Number of blades/vanes
7
Impeller Diameter [mm]
72,5 mm
1
5F8-8118
Washer, crankshaft pulley
Inner Diameter [mm]
19,1 mm
Outer Diameter [mm]
33,9 mm
Surface
39
Supplementary Article/Info 2
638
1
6R-1351
Timing Belt
Number of Teeth
122
Width [mm]
26,5 mm
1
7R-1388
Timing Belt
Number of Teeth
81
Width [mm]
21 mm
1

About this product

OPTIMAL Water Pump Timing Belt Kit (SK-1526AQ1) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Number of Teeth: 122, Driven Units: 29, Driven Units: Zinc, Width [mm]: 26, Rubber mm, Supplementary Article/Supplementary Info: Ceramic — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with VW vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 04.5364PA, 046109119E, 074109119A, 074109119B and 32 more. Matching these numbers confirms a like-for-like replacement with no loss of function. OPTIMAL is a recognised supplier of automotive engine timing components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.

About OPTIMAL

OPTIMAL, founded in Germany, is a well-regarded aftermarket brand specialising in steering, suspension, and wheel bearing components. OPTIMAL produces ball joints, tie rod ends, control arm bushings, wheel bearings, and stabiliser links for European, Asian, and American vehicle applications. Manufactured to stringent quality standards with comprehensive testing protocols, OPTIMAL parts deliver OE-matching fit and performance. Known for excellent value and wide vehicle coverage, OPTIMAL is a popular choice among professional workshops across Europe.

Suitable cars

Equivalent products (10)

AUTOKIT04.5364PA
CONTINENTAL CTAMCT939WP2+CT914K1
GATESKP15323XS
RUVILLE55446721
Saleri SILK1PA1002A

Water Pump Timing Belt Kit OPTIMAL SK-1526AQ1compatible car models

Car modelsVW: LT 28-35 II Bus (2DB, 2DE, 2DK), LT 28-46 II Platform/Chassis (2DC, 2DF, 2DG, 2DL, 2DM), LT 28-46 II Van (2DA, 2DD, 2DH), TRANSPORTER T4 Bus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ), TRANSPORTER T4 Platform/Chassis (70E, 70L, 70M, 7DE, 7DL, 7D, TRANSPORTER T4 Van (70A, 70H, 7DA, 7DH)
Engines2.5 TDI
Year of manufacture1990-2006
Manufacturer article number (MPN)SK-1526AQ1
OE part numbers046109119E, 074109119A, 074109119B, 074109119E, 074109119J, 074109119L, 074109119P, 074109119R, 074 109 243 F, 074 109 243 G, 074 109 243 J, 074 109 243 R, 074130113E, 074130113J, 074 130 195, 074 130 195 B, 074 130 245, 272462, 46109119, 9179393 (+6 more)
Compatibility check

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Description and what's included

OPTIMAL sk-1526aq1 . Driven Units: 12. Driven Units: 29. Number of Teeth: 122. Number of Teeth 2: 81. Supplementary Article/Supplementary Info: 7. Width 2 [mm]: 21 mm. Width [mm]: 26,5 mm

What's included:
  • 1x Water Pump Timing Belt Kit
Shipping, returns, warranty

Free UK delivery on orders over £99.00. Express and standard shipping available.

  • Standard delivery: 2-5 business days
  • Express delivery: 1-2 business days
  • Free returns within 14 days
  • All parts backed by manufacturer warranty

Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.

Frequently Asked Questions

Is this Water Pump Timing Belt Kit compatible with my car?

This Water Pump Timing Belt Kit fits VW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.

What specifications does this OPTIMAL Water Pump Timing Belt Kit have?

This OPTIMAL Water Pump Timing Belt Kit has the following specifications: Number of Teeth: 122; Driven Units: 29; Driven Units: 12; Width [mm]: 26,5 mm; Supplementary Article/Supplementary Info: 7; Number of Teeth 2: 81. Check the full specifications table above for complete details.

What OE part numbers does this Water Pump Timing Belt Kit replace?

This Water Pump Timing Belt Kit replaces OE part numbers: 046109119E, 074109119A, 074109119B, 074109119E, 074109119J, 074109119L, 074109119P, 074109119R and 18 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Water Pump Timing Belt Kit cost?

This OPTIMAL Water Pump Timing Belt Kit is available for £208.99. Water Pump Timing Belt Kit prices vary depending on brand, specifications, and vehicle compatibility. OPTIMAL parts offer a balance of quality and value, backed by our 14-day money-back guarantee.

How do I know when to replace my Water Pump Timing Belt Kit?

Regular inspection of your Water Pump Timing Belt Kit is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.

What tools do I need to replace a Water Pump Timing Belt Kit?

Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Water Pump Timing Belt Kit fitted by a professional mechanic.

Can I use this part as a replacement for OE 046109119E?

Yes, this OPTIMAL Water Pump Timing Belt Kit is a direct replacement for OE part number 046109119E. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.

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