REGISTRY DOSSIER: SUP-06L POWERTRAIN THERMAL SUBSYSTEM

OEM PART SUPERSESSION EXPLORER: COMPONENT REVISION TRACEABILITY & FIELD OBSOLESCENCE MATRIX

Search-driven forensic parts lineage tracking: uncover silent manufacturer supersessions, material engineering revisions, interchangeability caveats, and secondary-market supply risks across European, North American, and Asian platforms.

database POPULATION SAMPLE: n=64,280 PART NUMBERS [Illustrative UI data]

verified_user CONFIDENCE METRIC: 98.4% ISO AUDIT

precision_manufacturing VERIFICATION GRADE: SPEC-GRADE TIER-1 TEARDOWN

timeline SUPERSESSION HIERARCHY: ACTIVE

history QUERY TIMELOG: 0.042s // 42 MATCHES IDENTIFIED

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Frequent Cohorts:

TRACEABILITY GRAPH // SYSTEM LINEAGE EVOLUTION

VAG EA888 GEN 3 COOLANT REGULATION REVISION CHRONOLOGY

Obsolete / Severe Risk Conditional Superseded Active Production Spec Billet / Cast Metal Benchmark

OBSOLETE // RED FLAG GEN 3A // 2013-2016

OEM PART IDENTIFIER

06L 121 111 F

First Factory Assembly Line Fitment

METALLURGY & RESIN:

PA66-GF30 Composite Body (Polyamide)

FAILURE VECTOR TELEMETRY:

Single-port rotary slide. High micro-warping rate (>42% incidence at 80,000 km [Illustrative UI data]). Severe flange distortion.

SUPERSEDED DATE: Q3 2016 (VAG TSB 19-16-01)

CONDITIONAL SUPERSEDED GEN 3B // 2016-2019

OEM PART IDENTIFIER

06L 121 111 H / J

Interim Factory Warranty Fix

METALLURGY & RESIN:

Retained PA66 housing; upgraded fluoroelastomer perimeter seal profile.

FAILURE VECTOR TELEMETRY:

Upgraded rotary motor shaft. Seal blowout reduced, but thermal creep persists at 110,000 km [Illustrative UI data].

SUPERSEDED DATE: Q1 2020 (VAG TSB 19-20-04)

CURRENT OE SPEC GEN 3C // 2020-PRESENT

OEM PART IDENTIFIER

06L 121 111 M / P

Current Dealership Crating Standard

METALLURGY & RESIN:

Reinforced internal brass/metal bushing inserts, Viton fluorocarbon profile.

FIELD TELEMETRY AUDIT:

Micro-switch logic calibrated against heat saturation. Expected MTBF elevated to 160,000+ km [Illustrative UI data].

LIFECYCLE STATUS: ACTIVE IN DISTRIBUTION

INDEPENDENT GOLD STD RETROFIT // 2021-PRESENT

AFTERMARKET ENGINEERING BENCHMARK

REIN / INA RETROFIT

Full Cast-Aluminum Conversion Assembly

METALLURGY & ALLOY:

A380 Die-Cast Aluminum Housing (Zero Polymer)

RELIABILITY ATTRIBUTE:

Permanent elimination of thermal plastic fatigue and gasket bed bowing. OE electronic harness plug-in.

WARRANTY GRADE: LIFETIME STRUCTURAL

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TECHNICAL SUPERSESSION DIRECTIVE: VAG-06L-CHAIN

Rev 'F' and 'H' are non-orderable through VAG authorized depot streams. Requisitioning 06L 121 111 J automatically yields Rev 'M' or 'P'. All electronic stepping parameters backward compatible to 2013 MED17.1.1 / SIMOS 18 ECUs.

INTERCHANGEABILITY SCORE: 100% (RETROFITTABLE)

METALLURGICAL & FAILURE DYNAMICS // ROOT CAUSE ARCHIVE

DRIVERS OF SUCCESSIVE FACTORY REDESIGNS

thermostat MODE-01

Polymer Thermal Creep

PA66 resin micro-fatigue occurs under continuous 105°C operating cycles. The engine oil contact on the rear flange accelerates plasticizer leaching, resulting in 0.8mm diagonal warpage.

AFFECTED: Rev F, G, H

compress MODE-02

Gasket Extrusion Under Cycling

Original flat-profile silicone seals extruded under differential expansion rates between the cast iron engine block and the polymer pump housing, causing gradual weeping loss.

RESOLVED IN: Rev J / M (Viton)

water_damage MODE-03

Stepper Actuator Ingress

Coolant fluid migration past the rotary slide spindle into the integrated electronic thermostat motor. Triggers DTC P00B700 (Engine Coolant Flow Low/Performance) and limp-home mode.

AUDIT: Hall sensor corrosion

sync_problem MODE-04

Rotary Valve Seat Scoring

Silicate particle buildup from early G13 coolant formulas caused mechanical seizure of the cylindrical flow-diverter drum, preventing the engine from reaching nominal operating temp.

SUPPLEMENT: Switch to G12evo spec

VEHICLE ARCHITECTURE // INTERCHANGEABILITY DIRECTORY

CROSS-PLATFORM APPLICATION COMPATIBILITY MATRIX

COVERAGE: 8 CHASSIS CODES // 4 REGIONAL VARIANTS

Model & Chassis	Production Years	Market Region	Engine Code	Factory Initial	Recommended OE Rev	Fitment Notes	Interchange
Volkswagen Golf GTI (Mk7/Mk7.5)	2013 – 2021	GLOBAL (NAR / EU6)	CXCA, CXCB, CHHA	06L 121 111 F	06L 121 111 P	Direct bolt-on. Requires union adapter 06L 121 131.	100% OE
Volkswagen Golf R (Mk7/Mk7.5)	2014 – 2020	GLOBAL	CYFB, DJJA, DLRA	06L 121 111 F / H	06L 121 111 P	Auxiliary radiator cooling circuit integration verified.	100% OE
Audi A4 (B9 Chassis)	2016 – 2023	NAR / EU6	CYMC, DBPA	06L 121 111 H	06L 121 111 M	Longitudinal orientation. Tight belt clearance on front pulley.	100% OE
Audi Q5 2.0 TFSI	2017 – 2024	GLOBAL / APAC	DAXB, DAYB	06L 121 111 J	06L 121 111 P	Recommend checking coolant sensor O-ring WHT 005 627.	100% OE
Škoda Octavia vRS (5E)	2014 – 2020	EUROPE EU6	CHHA, CHHB, DLBA	06L 121 111 F	06L 121 111 P	Software flash ECU basic-setting routine required post-install.	100% OE
Cupra Formentor 2.0 TSI	2020 – PRESENT	EU / APAC	DNFB, DNPA	06L 121 111 M	06L 121 111 P	Equipped with factory reinforced Viton gasket channel.	100% OE

info ECU Adaptation Directive: Whenever superseding to Rev 'M' or 'P', run ODIS / VCDS test sequence: [IDE00216 - Engine Coolant Temperature Regulation Adaptation Reset].

DISTRIBUTION CHANNELS & SUPPLY TELEMETRY

SECONDARY MARKET STOCK-RISK & LIQUIDITY STATUS

CHANNEL A 2–4 DAYS BACKORDER

Dealership Crated Unit

€480 – €620 [Illustrative UI data]

Authorized OEM retail crating (06L 121 111 P). Backorders observed during high summer thermal failure waves across European and NAR dealer logistics hubs.

PACKAGING: OEM Holographic Sealed

CHANNEL B HIGH LIQUIDITY

Tier-1 Direct (Pierburg / INA)

€240 – €340 [Illustrative UI data]

OE supplier independent aftermarket brand. Exact identical assembly line manufacturing source with ground-off VW/Audi stampings. Best cost-to-durability ratio.

ORIGIN TRACE: Germany / Czech Republic

CHANNEL C IN STOCK

Machined Billet Cast Metal

€310 – €390 [Illustrative UI data]

Aftermarket cast aluminum assembly (Rein Automotive / GRAF). Readily stocked through independent distributor networks. Favored by fleet operators seeking permanent fix.

METRIC RATING: Zero Thermal Warpage

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FRAUDULENT OE PACKAGING ALERT // GLOBAL LOGISTICS RISK

Beware counterfeit "06L 121 111 P" units distributed via unverified digital marketplaces. Forensic inspection indicates sub-spec PA6 composite casings masquerading in reprinted genuine VW Group packaging lacking internal UV security watermarks and micro-printed traceability matrices.

AUDIT CODE: SEC-FAKE-06L

ENGINEERING ASSET PIPELINE

Export Lineage Spec Sheet & Revisions

Generate cryptographically timestamped CAD schematics, material audit summaries, and parts interchange logs.

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Investigative methodology on unseated union pipes, valley-pan vaporization pooling, and exhaust-gas recirculation internal heat-exchanger core porosity.

ACADEMIC & TIER-1 METROLOGY SPONSORS: FRAUNHOFER IMWS • DEKRA INDUSTRIAL VERIFICATION • TÜV SÜD AUTOTECH

INDEPENDENT FORENSICS // STRICTLY NON-COMMERCIAL REPERTORY